Which equation does not represent a function? Why? A) y = x2; There are two outputs for each input. B) y2 = 4x; There are two outputs for each input. C) y = x; The output value is the same as the input value. D) y = −x; The output value is the opposite of the input value.

Answers

Answer 1

Answer:

B) y² = 4x; There are two outputs for each input

Step-by-step explanation:

For an equation to be called a function, the input values for x must only result in a single output for y.

Based on this definition if a function, the functions y = x², y = -x and y = x are all functions because for any value of x imputed in them, we can only get one equivalent value of y.

The only exception is the function y²= 4x

For this function, for any value of x, there will be more than one output for y. Take x = 1 for example

y² = 4(1)

y² = 4

y = ±√4

y = ±2

This shows that y = 2 and -2

Also if x = 4

y² = 4(4)

y² = 16

y = ±√16

y = ±4

y = 4 and -4

No matter the value of x imputed, the output value y will always be two (a positive and a negative value)

Hence, option B is correct.

Answer 2

Answer:

B

Step-by-step explanation:


Related Questions

22. Part-Time Job
You work at a grocery store part-time. You estimate that you spend three-fifths of your time stocking shelves. You work 20 hours each week. How many hours of your work week do you spend stocking shelves?

Answers

Answer: 12

Step-by-step explanation:

You spend 20 hours working at a grocery store each week. You spend 3/5 of that time stocking shelves. You need to find out what 3/5 of 20 is.

Step 1: Turn 20 into a fraction

20 = 20/1

Step 2: Multiply

3/5 x 20/1 = 60/5

Step 3: Simplify

60/5 = 12

n is a positive integer. (i) Explain why n(n - 1) must be an even number.

Answers

Answer:

Since the equation is n(n-1) where n is even, (n-1) will result to an odd number and when multiplied the answer with n( an even number), this will result to an EVEN NUMBER. Therefore, in any number that n can substitute, whether even or odd, the answer will always result to an even number

Step-by-step explanation:

Find the area of the geometric figure.

Answers

Answer:

area is 210 mi

Step-by-step explanation:

Answer:

210

Step-by-step explanation:

21 x 7 = 147

14 - 7 = 7

7 x 9 = 63

147 + 63 = 210

Find f'(a). f(x)=[tex]\sqrt{2-2x}[/tex] using (f(a+h)-f(a))/h

Answers

Answer:

clculator soup

Step-by-step explanation:

Identify the initial value and rate of change for the graph shown. (4 points)

A coordinate plane graph is shown. A line passes through the y-intercept at 1 and through the point 5 comma 4.

Group of answer choices

Initial value: 1, rate of change 5 over 3.

Initial value: 1, rate of change 3 over 5.

Initial value: 3 over 5., rate of change: 0

Initial value: 5 over 3., rate of change: 0

Answers

Answer:

a

Step-by-step explanation:

Answer:

The answer is B.

Step-by-step explanation:

y=mx+b

point (5,4)

x=5

4=m(5)+1

5m=3

m=3/5

rate of change = 3/5

The value of 30 - (2 - 4) ÷ (-2) is _____.

-16
31
-14
29

Answers

Answer:

29.

Step-by-step explanation:

2x2+ 5x -4 = 0
• _Value of the Discriminant:
• Number of Solutions:
• Number of x-intercepts:
• Type of Solutions:

Answers

Answer:

Step-by-step explanation:

value of discriminant:

[tex]5^{2} - 4 (2)(-4)\\=25+32\\=57\\[/tex]

As the value of discriminant is larger than zero, so there are 2 distinct solutions.

2 solutions also mean there are 2 x-intercepts.

Select the correct answer.
Which property of equality was used to solve this equation?

x − 5 = -14

x − 5 + 5 = -14 + 5

x = -9

A. addition property of equality
B. subtraction property of equality
C. multiplication property of equality
D. division property of equality

Answers

The answer would be B

The addition property of equality was used to solve this equation. option A is correct.

A solution is given we have to determine the solution contains which property of equality.

What is arithmetic?

In mathematics, it deals with numbers of operations according to the statements. There are four major arithmetic operators, addition, subtraction, multiplication and division,

Here,
x − 5 = -14

x − 5 + 5 = -14 + 5

x = -9

We can see, in step 2 5 is added to both sides of an equality, which implies the property of additions.

Thus, the addition property of equality was used to solve this equation. option A is correct.

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Angle pair equations!! 10 points :)

Answers

Answer:

78°

Step-by-step explanation:

(I'm assuming that segment AB is a straight line {180 degrees})

1. since angles DCA and DCB equals 180°, we can set up the equation 4x+2+3x+3=180.

2. if you solve that, you'll get x=25.

3. plug 25 (x) into 3x+3 -> 3(25)+3

4. 3(25)+3=78

5. answer: 78°

78 degree is your answer

In the figure below, lines m and n are parallel:

In the diagram shown, 27 measures 97 degrees. The measure of 28 is
degrees?

Answers

Answer:

the measure of angle 8 is 83 degrees

Step-by-step explanation:

2. How many batches can you make
with 15 cups of flour and 6
teaspoons of vanilla? Indicate the
additional batches by adding more
ingredients to your diagram.

Answers

Answer:

3 batches

Step-by-step explanation:

Dndbdbbdbdbbdhdndndjjdjdjdjdjd

Sam decides to download some new music. She downloaded 3 albums and 10
singles, and her total was $61. The next day she purchased more music from the
same retailer and downloaded 6 more albums and 8 singles for a total of $74.
Assuming that all albums and singles are the same price, how much did she spend on
each album and each single? Write a system of equations to represent this
situation. Then solve for the solution using the elimination method.

Answers

Answer:

An album costs $7 while a single cost $4

Step-by-step explanation:

Let the amount spent on singles be $x while the amount spent on albums be $y

First day, she downloaded 3 albums and 10 singles that cost $61

Hence;

3y + 10x = 61 ••••••••(ii)

Second day, she downloaded 6 albums and 8 singles for $74

8x + 6y = 74 ••••••••(ii)

We now want to use elimination method to solve both equations

Multiply equation i by 2 and ii by i

20x + 6y = 122

8x + 6y = 74

Subtract ii from i now

12x = 48

x = 48/12

x = 4

Recall;

3y + 10x = 61

substitute for x

3y + 10(4) = 61

3y + 40 = 61

3y = 61-40

3y = 21

y = 21/3

y = 7

An album costs $7 while a single cost $4

Please help
8 square root 5 minus square root 45

Answers

Answer:

[tex]5 \sqrt{5 \: } is \: \: the \: \: answer \: \: of \: \: this \: \: question[/tex]

What is the distance between
(2,3) (8,9)

Answers

Answer:

Step-by-step explanation:

Which expression is equivalent to sin(20°)cos(80°) – cos(20°)sin(80°)?

sin(–60°)
cos(–60°)
cos(60°)
sin(60°)

Answers

Answer:

A. sin(-60°)

Step-by-step explanation:

test on edge

Answer of given expression is sin(-60°)

What is Trigonometric functions?

Trigonometric functions defined as the functions which show the relationship between angle and sides of a right-angled triangle.

Given expression,

sin(20°)cos(80°) – cos(20°)sin(80°)

sin(A-B) = sinA.cosB – cosA.sinB

∴ sin(20°-80°)

So, sin(-60°)

Learn more about Trigonometric functions

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–25y – 35
plz tell me step by step

Answers

the answer will be y= 1.4 ..

ALDS championship hats are sold in boxes of 18. If the Tampa Bay Rays need 168 hats for team members and staff, how many boxes of hats would they need to order? Explain your
reasoning

Answers

Answer: 3024

Step-by-step explanation:

mutiply 18x 168

What happens in the falling action of Ares god of war?

Answers

Answer:

In the Ancient World, the most powerful forces that shaped human destiny were personified by polytheistic religions in the form of Gods. In this way, the ancients believed that they could influence impersonal forces and powers. One of these was war. In the past, conflict was a constant fact of everyday life, and peace was rare. This is what made the Greek God of War, Ares, so influential in mythology and religion.

The origin of the myth of Ares

Ares was the son of Zeus and Hera, was regarded as one of the Twelve Olympians, and was one of the major deities of the Greek world. The etymology of the name Ares means curse or ruin. Unlike many other religions, such as Roman mythology, the Greeks did not worship war. They were very ambivalent about the God who personified for them the power and bravery needed for victory in war. For the Greeks, he represented the worse in war and conflict

2800 people attended a football game. 1260 of the people attending supported the home team, while 1540 supported the visiting team. What percentage of people attending supported the home team?

Answers

Answer:

45% of people attending supported the home team


Which one of the following equations is equivalent to 3x-12 = -9?
A 3 - 5 = -6
B 70 - 3=4
2x = 4
D 2+3 = 2 - 1

Answers

the answer choices don't make sense but I can help u with solving the equation it's x = 1

3x-12=-9 , minus 12 on both sides3x = 3 , divide 3 on both sides x = 1

now that u know this go through your answer choices and solve their equation and see which one produces x = 1 and that'll be the answer!!

how would you write 8.235 E14 in standard form​

Answers

Answer:

what????

Step-by-step explanation:

Three out of five students in Mrs. Bishop's class play chess. What percentage of students in her class play
chess?

Answers

Answer:

60%

Step-by-step explanation:

Answer:

60%

Step-by-step explanation:

You bake cookies for a bake sale. The ratio of chocolate chip cookies to oatmeal cookies is 4 : 3. You bake 12 oatmeal cookies. How many chocolate chip cookies do you bake

Answers

Answer:

4:3

8:6

12:9

you will bake 9 chocolate chip cookies.

I will bake 16 chocolate chip cookies for every 12 oatmeal cookies I bake.

What is a ratio?

A ratio is a comparison of two or more similar quantities in simplest form.

a/b can be written as a : b.

Given,  The ratio of chocolate chip cookies to oatmeal cookies is 4 : 3, which is 4/3, and assuming for 12 oatmeal cookies I bake x chocolate chip cookies.

∴ 4/3 = 12/x.

x = 12×4/3.

x = 4×4.

x = 16.

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question in the image

Answers

Answer 6.

Step-by-step explanation:

Answer:

A.) 1

Step-by-step explanation:

A trapezoid only has one pair of parallel sides.

help me plz thx alot

Answers

It is 180 degrees- hope this helps!

Which word describes 5 in the number sentence shown?
2 = 18
53
A Term
B Variable
Equation
D) Coefficient

Answers

I think it's B because I did it before but I forgot but I think it is B

8+-2w>4
I dont know this i gotta solve fore w.

Answers

Answer:

w < 2

Step-by-step explanation:

Subtract 8 from both sides.

-2w > -4

Divide both sides by two. WHEN YOU DIVIDE BY A NEGATIVE, the sign FLIPS!

w < 2

There ya go! Please mark me as Brainliest; I need it to move on to the next level. =D

The length of a car is 15 2/5 meters. What is the length of 7 cars?

Answers

Answer:

107  4/5. This is because 2/5 is 0.4 and 15 times 7 is 105.

-10 |h+5| -3= -83
what is the answer to this the topic is absolute value.

Answers

Answer:

the absolute value is 3,-13

Angle R measures 47 degrees if the angle is rotated 180 degrees around the origin what is the angle of R?

Answers

Given parameters:

Measure of Angle R = 47°

Operation on the angle; rotated through 180°

Unknown:

what is angle R now= ?

Solution:

    Angle R was originally an acute angle which was 47°;

 And an additional 180° rotation will produce;

  New Angle R  = 47 + 180 = 227°

The new dimension of the angle is 227°

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