Can someone please help me with this?

Answers

Answer 1

The value of t on the closed interval for which the derivative is equals to the average rate of change is given as follows:

t = 1.75.

How to calculate the value of t?

The function in this problem is given as follows:

v(t) = 4t² - 6t + 2.

The average rate of change over an interval [a,b] is given by the change in the output divided by the change in the input, hence:

r = [f(b) - f(a)]/(b - a).

The interval is [0,3], hence the bounds are given as follows:

a = 0, b = 3.

The numeric value at these bounds is of:

f(0) = 2.f(3) = 4(3)² - 6(2) + 2 = 26.

Hence the average rate of change is of:

(26 - 2)/(3 - 0) = 8.

The derivative is given as follows:

v'(t) = 8t - 6.

The equality is then calculated as follows:

v'(t) = 8.

8t - 6 = 8.

8t = 14.

t = 14/8

t = 7/4.

t = 1.75.

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Related Questions

What conclusion about Sherman’s “March to the Sea” and his march north does this order support?
A. Sherman’s army committed to a scorched-earth policy that left little room for resistance.
B. Sherman’s army liberated enslaved people and seized and redistributed land as they went.
C. Sherman’s army was instrumental in weakening the Confederacy and winning the war for the Union.
D. Sherman’s army helped lay the foundations of military governance of the South during Reconstruction.

Use the Land Order to answer the question

A Land Order from April 1, 1865 says the following: “No. 118 Office of the Superintendent of Freedmen In accordance with Major General Sherman’s Order, No. 15, permission is hereby granted to Richard Brown to take possession of and occupy forty acres of land, situated in St. Andrews Parish, Island of Jame’s [sic] and being part of what was formerly known as Heyward’s plantation. By order of, Brevet Major General RUFUS SAXTON. Gilbert Pillsbury Gov. and General Superintendent of Freedmen.”

Answers

Sherman’s army committed to a scorched-earth policy that left little room for resistance is the conclusion. Hence option A is correct.

What is resistance?

Resistance is defined as a gauge for current flow resistance in an electrical circuit. A specified voltage can be supplied via resistors to an active device like a transistor.

Campaign of the American Civil War called Sherman's March to the Sea, which was won by Union forces operating in Georgia, a Confederate state. An important historical fact with significant strategic significance for the American Civil War is the Sherman's March to the Sea.

Thus, Sherman’s army committed to a scorched-earth policy that left little room for resistance is the conclusion. Hence option A is correct.

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When the same child learns that if he doesn’t walk and feed the dog in the morning, he won’t receive his afternoon snack, then there is

Group of answer choices

Shaping

Acquisition

Extinction

Thorndike's Law of Effect

Answers

When the same child learns that if he doesn’t walk and feed the dog in the morning, he won’t receive his afternoon snack, then there is: A. Shaping.

What is behavior modification?

Behavior modification can be defined as a process that involves reinforcing desired behaviors in a person or group of people, while withholding reinforcement for undesired behaviors.

What is shaping?

In Psychology, shaping can be defined as a conditioning paradigm that is typically used in the experimental analysis of the behavior of an individual, especially by gradually teaching new behavior to him or her through the use of reinforcement until the target behavior is achieved.

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A young man walks into a therapist’s office complaining of an intense fear of spiders. In describing this fear, he indicates that one small, stationary spider 5 meters away is only modestly threatening, but a large, rapidly moving spider 1 meter away is highly threatening. The therapist places him into a state of deep relaxation and asks him to imagine the least threatening situation he can think of involving spiders. He repeatedly imagines this situation until it fails to evoke any anxiety at all. This process is repeated while working through all of the situations in the anxiety hierarchy until the most anxiety-provoking one involving spiders. The therapist also teaches the man relaxation techniques to use in controlling breathing and muscle tension while imagining and confronting these situations. Eventually, the man no longer reports any anxiety when faced with spiders.

indicate which approach to psychotherapy is being described; psychodynamic, humanistic, behavioral, or cognitive.

Answers

Answer:

The approach to psychotherapy described in this scenario is behavioral.

Explanation:

The approach being used in this scenario is known as exposure therapy, which is a type of behavioral therapy. In exposure therapy, the therapist helps the patient gradually confront their fear in a controlled and safe environment, starting with the least threatening situations and gradually working up to the most anxiety-provoking ones. The therapist also teaches the patient relaxation techniques to help them manage their anxiety while imagining and confronting these situations. This process is intended to help the patient overcome their fear by gradually desensitizing them to the things that trigger their anxiety.

Question 3
In anatomical position the palms are
O posterior, sides
O sides, forward
O forward, flat
O forward, sides
and the arms at the

Answers

In anatomical position the palms are forward and the arms at the sides. Hence option 4 is correct.

What is anatomical position?

Anatomical position is defined as a typical point of comparison frequently used to describe specific anatomical words and placements in human anatomy and physiology. Superior, inferior, anterior, posterior, medial, and lateral are the primary directions for body components.

The body is in anatomical position when it is standing straight up, palms facing forward, and with both arms at its sides. This position is also referred to as conventional anatomical position. With their feet flat on the earth, they face forward. The legs are straight.

Thus, in anatomical position the palms are forward and the arms at the sides. Hence option 4 is correct.

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A young woman had repeatedly been sexually abused by her father when she was a child and sought therapy to deal with that trauma. Early on, whenever she began describing the abuse, or remembering similarly invasive experiences in her life, she began trembling in her arms and upper torso, sometimes violently. There was also an intense flushing of her face. When this would happen, the therapist began to focus the discussion on her flushing of the face. The patient would respond by talking about how the therapist must view her as a damaged mess when observing the bodily reaction; however, the therapist consistently disconfirmed that belief every time by expressing understanding and empathy of why the bodily reactions occurred. Gradually, the bodily reactions became less and less severe, and the patient began to speak about the terror of those experiences without the intrusion of the shaking.

indicate which approach to psychotherapy is being described; psychodynamic, humanistic, behavioral, or cognitive.

Answers

Answer:

Behavioral

Explanation:

You can see that it's behavioral because of her arms and how they move and the way her face flushed.

Put the correct definition with the correct word
incus
auricle
malleus
semicircular canals
cochlea
eardrum
stapes
cochlear nerve
ear canal
and the definitions are:
- Third auditory ossicle: conducts amplified signal to the inner ear
- between the malleus and the stapes
- separates outer and middle ear: transfers vibrations to auditory ossicle
- first auditory ossicle: bound to the eardrum
- collects sound from the environment
- contain hair cells for converting vibrations to electrical impulses
- transmits electrical impulses from the cochlea to the brain
- senses rotations of the head: involved in balance
- passageway through temporal bone: leads to eardrum

Answers

Answer: incus: third auditory ossicle: conducts amplified signal to the inner ear

auricle: collects sound from the environment

malleus: first auditory ossicle: bound to the eardrum

semicircular canals: senses rotations of the head: involved in balance

cochlea: contain hair cells for converting vibrations to electrical impulses

eardrum: separates outer and middle ear: transfers vibrations to auditory ossicle

stapes: between the malleus and the stapes

cochlear nerve: transmits electrical impulses from the cochlea to the brain

ear canal: passageway through temporal bone: leads to eardrum

Explanation:

What future world event featured countries in Western Europe (notably Britain and Germany), the US, Russia,
and Japan? Do you think there is a connection between these countries' participation in industrialization and their
prominence in the 20th century? Explain.

Answers

The future world event featured countries in Western Europe (notably Britain and Germany), the US, Russia, and Japan and the connection between these countries' participation in industrialization and their prominence in the 20th century is explained below.

What is the future event?

It is difficult to accurately predict future world events, as they are influenced by a wide range of factors and are subject to change. However, based on their past histories and current global roles, it is likely that the countries you mentioned (Western Europe, the US, Russia, and Japan) will continue to play significant roles in future world events.

In terms of their participation in industrialization and their prominence in the 20th century, it is certainly possible that there is a connection between these factors. Industrialization played a major role in shaping the modern world, and many of the countries you mentioned were at the forefront of this process.

As a result, they have developed strong economies and have become influential global powers. This has given them the resources and capabilities to play key roles in world events and shape the course of history.

Therefore, It is worth noting, however, that there are many other factors that have contributed to the prominence of these countries in the 20th century, including their political systems, military power, cultural influence, and other historical and social factors. Understanding the complex interplay of these factors can help provide a more nuanced understanding of the role of these countries in the world today and in the future.

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Question 1
Chemical farming is a new common type of agricultural practice.
True
False

Answers

Answer:

False

Explanation:

Chemical farming is not a new agricultural practice. It has been in use for many decades and refers to the use of synthetic chemicals, such as pesticides and fertilizers, in agriculture. Chemical farming can provide some benefits, such as increased crop yields and the ability to control pests and diseases, but it can also have negative impacts on the environment and human health. Some of the potential negative impacts of chemical farming include soil degradation, water pollution, and the development of pesticide-resistant pests.

Rob has been late for curfew for at least a month. His parents turn to a therapist for help.

The therapist suggests moving his curfew up an hour until he begins coming in on time and then restore it to what it was.

Group of answer choices

Punishment

Negative Reinforcement

Positive Reinforcement

No answer text provided.

The therapist suggests telling Rob that every time he comes in on time for curfew, he doesn’t have to babysit his sister on Thursday nights, a chore that Rob detests.
Group of answer choices

Negative Reinforcement

Positive Reinforcement

No answer text provided.

Punishment

Answers

1) Note that where Rob has been late for a curfew for at least a month and his parents turn to a therapist for help. The therapist suggests moving his curfew up an hour until he begins coming in on time and then restoring it to what it was. This is an example of "Negative Reinforcement" (Option B)

2) The second suggestion by the therapist is called Positive Reinforcement (Option B).

What is Positive Reinforcement?

The presentation of a desirable or pleasurable stimulus following behavior is referred to as positive reinforcement. The desired stimulus reinforces the behavior, increasing the likelihood that the activity will occur again.

Children learn that excellent behavior leads in positive consequences such as prizes or simply simple acknowledgment in a positive reinforcement system. This instills in them the importance of personal determination and self.

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If the parents told the caregiver to the child a Bingo chip for each day he completed his chore, and they would reinforce him when they returned, they would be using a

Group of answer choices

Token Economy

Primary Reinforcement

Secondary Reinforcement

Reinforcement Contingency

Answers

If the parents told the caregiver to give the child a Bingo chip for each day he completed his chore, and they would reinforce him when they returned, they would be using a: C. Secondary Reinforcement.

What are the types of reinforcement?

In operant conditioning, there are different types of reinforcement and these include the following:

Primary reinforcementPunishmentNegative reinforcementSecondary reinforcementExtinctionPositive reinforcement

What is a secondary reinforcement?

In Psychology, the secondary reinforcement of a desired behavior typically involves strengthening a positive behavior that is being exhibited by a living organism, after it is fully associated with a primary reinforcer.

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Why is there less evaporation from urban watersheds than natural watersheds

Answers

Urban watersheds typically have more impervious surfaces such as roads and buildings than natural watersheds.

What is Urban watershed?
An urban watershed is the area of land that drains water from rainfall or snowmelt into a common outlet such as a lake, river, or stream. It is a distinct geographical unit and is defined by the boundaries of a stream network, which is determined by the natural geographic features of the area. The watershed boundary captures the land area that contributes water runoff to a common outlet. This watershed boundary can be used to identify and manage water resources, assess water quality, and plan development and land use. In urban areas, stormwater runoff is the main source of water input to the watershed and can carry pollutants from the city streets, roofs, and other impervious surfaces. To protect water resources, urban watersheds often require additional management and conservation efforts.

These impervious surfaces reduce the amount of evaporation because they block the sun's energy from heating the water and reduce wind from blowing away the water vapor. Additionally, urban watersheds often contain more vegetation and soil cover, which also has a dampening effect on evaporation rates.

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A car is moving with velocity of 72 kr/hr,how far does the car move when it stops after 4 second.

Answers

Answer:

80m

Explanation:

First,convert to same units

To convert speed in km/hr to m/s multiply 5/18

Speed in m/s=72*5/18=20m/s

Time=4s

Distance = speed*time = 20*4 = 80m

Hope this helps!

Since the child is only 9 years old, the parents give him the snack even if he only feeds the dog until he learns that he must walk him also. This is a good example of

Group of answer choices

Extinction

Thorndike's Law of Effect

Extinction

Shaping

Answers

Since the child is only 9 years old, the parents give him the snack even if he only feeds the dog until he learns that he must walk him also, this is a good example of: D. shaping.

What is behavior?

In Psychology, behavior can be defined as the unique characteristics or qualities that depicts how a person conduct himself or herself, especially towards others and in certain circumstances such as when intoxicated, excited, joyful, suffering from a sickness or illness, etc.

What is shaping?

In conclusion, we can reasonably infer and logically deduce that the behavior of this child is undergoing a shaping process.

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What is considered a mini experiment in the dissection of cow eye?

Answers

A mini-experiment in the dissection of cow eye falls under an anatomy project.

What is the purpose of dissection of a cow eye?

Cow eyes are commonly used in lab dissections to research eye anatomy because they are physically and functionally comparable to human eyes. Students investigate both the surface and interior anatomy, understanding how components interact to produce pictures from incoming light.

Students learn about the components of the eye and the structures that surround it by analyzing a cow's eye. Students can identify both interior and exterior elements of the eye based on the width of their cow eye samples. Students can also identify specific structures such as the pupil, cornea, optic nerve, lens, and iris.

The shape of the pupil of a cow eyeball is oval, whereas it is circular in a human eye. Cow irises are usually typically brown, but human irises have a range of hues. A human eyeball also has more connected muscles than a cow eyeball.

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The reinforcement of giving the child a fun snack is a good example of a

Group of answer choices

Primary Reinforcement

Token Economy

Secondary Reinforcement

Reinforcement Contingency

Answers

Answer:

Primary Reinforcement.

Explanation:

It is not Token Economy - that does not make sense in this context.

It is not Secondary Reinforcement - an example of this is giving a dog a treat and telling them "good dog!" at the same time. In this question, we are only giving a snack to the child.

It is not Reinforcement contingency because that describes the relationship between the reinforcer and the organism being reinforced.

It must be Primary Reinforcement. Food (if not paired with anything else) is an example of a primary reinforcer.

The therapist suggests that the parents tell Rob every weekend he comes in on time for curfew they will add 10 minutes to his curfew time.
Group of answer choices

Punishment

Negative Reinforcement

No answer text provided.

Positive Reinforcement

Answers

Answer:

Positive Reinforcement

Explanation:

He may have an addiction to a certain Object or Consumable

I'm not sure, so hope this helps

Which statement does this excerpt BEST support?
A. Though the Black Codes were short lived, Jim Crow segregation laws lasted for decades.
B. Without federal troops in the South, civil rights and Reconstruction laws became unnecessary.
C. With the end of Reconstruction, Southern states sought to roll back Fifteenth Amendment protections.
D. After 1877, Southern government reverted to Confederate control and overturned Reconstruction amendments.

Use the excerpt from the pamphlet to answer the question.

IN order that you may know what will be demanded of you to vote under the Constitutions and laws of the several South States, we give below the substantial requirements of each, to with:
IN Alabama, Louisiana, Mississippi, North Carolina, South Carolina, Virginia and Tennessee
YOU MUST PAY YOUR POLL TAX
YOU MUST REGISTER AND HOLD YOUR CERTIFICATE OF REGISTRATION.
If you can read and write you can register.
IN Alabama, Louisiana and South Carolina
If you cannot read and write you can register if you own $300 worth of property.
IN Arkansas and Georgia
YOU MUST PAY YOUR POLL TAX.
IN Florida, Kentucky, Texas and West Virginia
You must reside in the State.
—
A man convicted of almost any crime may be barred from voting.

Answers

After 1877, Southern government reverted to Confederate control and overturned Reconstruction amendments. Hence option D is correct.

What is reconstruction?

Reconstruction is defined as a time in American history that came after the American Civil War (1861–1865) and lasted roughly until the Compromise of 1877.

Jim Crow laws were state and local legislation passed from the end of Reconstruction in 1877 through the mid-1950s that were intended to impose segregation of blacks and whites. By denying African Americans basic social, economic, and civil rights, white southerners reasserted their control.

Thus, after 1877, Southern government reverted to Confederate control and overturned Reconstruction amendments. Hence option D is correct.

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The ______ is to the eye as the ________ is to the ear.
A- retina, cochlea
B- lens, eardrum
C-retina, oval window
D- lens, cochlea

Answers

Explanation:

the lens is to the eye as the cochlea is to the ear

A- retina, cochlea

The retina is the light-sensitive tissue at the back of the eye that is responsible for converting light into electrical signals that are sent to the brain. The cochlea is the part of the inner ear that is responsible for converting sound waves into electrical signals that are sent to the brain. Just as the retina is to the eye, the cochlea is to the ear. The lens is a transparent structure in the eye that focuses light onto the retina, while the eardrum is a membrane in the middle ear that vibrates in response to sound waves. The oval window is a small opening in the middle ear that leads to the cochlea.

A cochlear implant would be effective in restoring hearing to someone with

Group of answer choices

damage to the eardrum.

damage to the hammer, anvil & stirrups

conduction hearing loss.

sensorineural hearing loss.

Answers

Answer:

Sensorineural hearing loss

Explanation:

D. sensorineural hearing loss.

A cochlear implant is a device that is used to restore hearing in individuals with sensorineural hearing loss. This type of hearing loss occurs when there is damage to the hair cells in the cochlea, or the auditory nerve, which is responsible for transmitting sound signals from the inner ear to the brain. Damage to the eardrum, hammer, anvil, and stirrups (which are part of the middle ear) would not be treated with a cochlear implant, as this type of damage is typically associated with conductive hearing loss, which is caused by problems with the outer or middle ear. A cochlear implant would not be effective in restoring hearing in individuals with conductive hearing loss.

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Which of the following was a main cause of agricultural diffusion?
cultural exchange
economic growth
technology
war
trade

Answers

Answer:

All of the above

Explanation:

All of the options you listed - cultural exchange, economic growth, technology, war, and trade - can potentially be causes of agricultural diffusion, which refers to the spread of agricultural practices, crops, and animals from one region to another.

The child gets his potato chips every Saturday for doing his chores for the week.
Group of answer choices

Variable Interval

Variable Ratio

Fixed Ratio

Fixed Interval

The child gets his potato chips every Saturday for doing chores, and then the parents change it to every Friday.
Group of answer choices

Fixed Interval

Variable Interval

Variable Ratio

Fixed Ratio

Answers

The child gets his potato chips every Saturday for doing his chores for the week.

fixed interval and variable ratio.

In this situation, the child receives potato chips every Saturday for completing his chores for the week. This means that the interval between receiving potato chips is fixed, as he always receives them on Saturdays. However, the ratio of potato chips to chores is not fixed, as the child may do more or fewer chores from one week to the next and receive a corresponding amount of potato chips. Therefore, the appropriate schedules of reinforcement in this situation are fixed interval and variable ratio.

When they change it to Friday, and then the chips still remain in an unknown amount, its a Variable Interval with a Variable Ratio.

Fill in the blank: A digital marketer should also consider their _____ when choosing social media platforms because brand identity and business type should factor into the decision.

Answers

My BEST Guess: A digital marketer should also consider their target audience when choosing social media platforms because brand identity and business type should factor into the decision.

The child’s parents go on vacation and the caregiver forgets to give him his snack. Even though the child asks for it, he is told that there are no chips in the pantry. By the time the parents return from vacation, the caregiver is feeding and walking the dog because the child has stopped. This is a good example of

Group of answer choices

Acquisition

Thorndike's Law of Effect

Shaping

Extinction

Answers

Since the caregiver is feeding and walking the dog because the child has stopped, this is a good example of: D. extinction.

What is operant conditioning?

In Psychology, operant conditioning can be defined as an associative learning process which involves reinforcing the strength of a behavior. This ultimately implies that, an outcome generally depends on the response being provided in operant conditioning.

What is extinction?

In operant conditioning, extinction can be defined as the reduced frequency of a person's behavior when it is no longer reinforced.

In this context, we can reasonably infer and logically deduce that the undesired behavior exhibited by this child has been stopped through extinction.