Juliana and Brody hiked a total distance of 6 1/2 miles, which is the sum of the distances of the two trails they hiked 3 2/3 miles and 2 5/6 miles.
To find the total distance hiked by Juliana and Brody, we need to add the distances of the two trails they hiked.
3 2/3 + 2 5/6 can be written as a common fraction by finding the least common multiple (LCM) of the denominators, which is 6.
3 2/3 can be written as 11/3, and 2 5/6 can be written as 17/6.
So, 3 2/3 + 2 5/6 = 11/3 + 17/6
We need to find a common denominator, which is 6
11/3 + 17/6 = 22/6 + 17/6
Adding the two fractions, we get
22/6 + 17/6 = 39/6
Simplifying the fraction, we get
39/6 = 6 3/6
Therefore, Juliana and Brody hiked a total distance of 6 3/6 or 6 1/2 miles.
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Samuel starts saving for his first car by opening a savings account and depositing $100. He plans to make a deposit every month to continue saving. Each term The amount of money in Samuel's savings account can be modeled by the sequence 100, An An-1 + 75, where n is the number of months since his initial deposit. - Use the drop-down menus below to complete the statements about his savings account growth. The sequence modeling the amount of money in Samuel's savings account is ✓the previous term.
Answer: The sequence modeling the amount of money in Samuel’s savings account is a recursive sequence. Each term in the sequence is determined by adding $75 to the previous term. The first term in the sequence is $100, representing Samuel’s initial deposit. After n months, the amount of money in Samuel’s savings account can be calculated using the formula An = An-1 + 75, where An represents the amount of money in his account after n months and An-1 represents the amount of money in his account after n-1 months.
For example, after 1 month, the amount of money in Samuel’s savings account will be A1 = A0 + 75 = 100 + 75 = $175. After 2 months, the amount of money in his account will be A2 = A1 + 75 = 175 + 75 = $250. And so on.
Carmine mixes 2. 8 pounds of cashews with almonds to make a trail mix. He divides the trail mix into 5 equal portions. Each portion weighs 1. 5 pounds. Which equation and solution shows the total amount of almonds he used in the mixture?
According to the equation, Carmine used 4.7 pounds of almonds in the mixture.
To represent this relationship mathematically, we can use an equation. Let's use "a" to represent the weight of the almonds in pounds. Then, we can write:
2.8 + a = total weight of the trail mix
We can then solve for "a" by subtracting 2.8 from both sides of the equation:
a = total weight of the trail mix - 2.8
We also know that the trail mix is divided into 5 equal portions, each weighing 1.5 pounds. Therefore, the total weight of the trail mix is:
total weight of the trail mix = 5 * 1.5
total weight of the trail mix = 7.5
Substituting this value into the equation we derived earlier, we get:
a = 7.5 - 2.8
a = 4.7
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What is the area of this figure?
Enter your answer in the box.
The area of the irregular polygon is equal to 30.5 square units.
How to determine the area of a polygon
In this problem we find the representation of an irregular pentagon, that is, a polygon of five sides of different length. Whose area can be found by adding the areas of rectangles and triangles:
Rectangle
A = b · h
Triangle
A = 0.5 · b · h
Where:
A - Areab - Baseh - HeightNow we proceed to determine the area of the irregular polygon:
A = 0.5 · 1 · 4 + 0.5 · 3 · 2 + 2 · 4 + 0.5 · 3 · 2 + 3 · 4 + 0.5 · 5 · 1
A = 2 + 3 + 8 + 3 + 12 + 2.5
A = 30.5
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A cylindrical can holds three balls. The balls touch the top, bottom and sides of the can. The radius of one ball is 6 cm. Find the volume of the remaining space inside the cylinder. Use 3.14 for π. please someone help me.
Answer:
16286.01632
Step-by-step explanation:
V=πr2h=π·122·36≈16286.01632
A testtaker who scores at the 5th stanine is scoring A. above average. B. below average. C. within the average range. D. in an unspecifiable range
Based on the information provided, a test-taker who scores at the 5th stanine is scoring:
C. within the average range.
To better understand this, let's break down the terms and concepts involved:
Stanine: Stanine (short for "standard nine") is a method used to scale test scores on a nine-point scale.
The stanine scores range from 1 (lowest) to 9 (highest).
This method is typically used in educational assessments to categorize students' performance.
Average: In the context of test scores, the average score refers to the middle range of scores that is typical for the majority of test-takers.
In the case of stanine scores, the average range falls between 4 and 6.
This means that students scoring in stanines 4, 5, and 6 are considered to be within the average range.
Now, to answer your question, a test-taker who scores at the 5th stanine is considered to be within the average range of performance.
This is because their score falls between the 4th and 6th stanines, which, as mentioned earlier, encompass the average range.
It's important to note that this doesn't mean the student is performing poorly; rather, their performance is on par with the majority of other test-takers.
Option C. within the average range is correct.
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please solve and explain
The length of curve DE is equal to 26.25 units.
What is Pythagorean theorem?In Mathematics and Geometry, Pythagorean's theorem is modeled by the following mathematical expression:
x² + y² = z²
Where:
x, y, and z represents the length of sides or side lengths of any right-angled triangle.
In order to determine the length of the hypotenuse in this right-angled triangle, we would have to apply Pythagorean's theorem as follows;
AC² + BC² = AB²
20² + 15² = AB²
AB² = 400 + 225
AB = √625
AB = 25 units.
For the length of curve DE, we have:
DE = 105% of AB
DE = 1.05 × 25
DE = 26.25 units.
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Please help! Equation is below.
The remainder when p(x) = x^4 - 4x³ - 11x² + 66x - 72 is divided by x - 4 is given as follows:
16.
What is the remainder theorem?The Remainder Theorem is a theorem in algebra that provides a quick way to find the remainder of a polynomial division problem. The theorem states that when a polynomial f(x) is divided by (x - a), the remainder is equal to f(a).
Hence for this problem, the remainder is given by the numeric value at x = 4, which is calculated as follows:
p(4) = 4^4 - 4(4)³ - 11(4)² + 66(4) - 72
p(4) = 16.
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The function increases at a constant rate of and the
y-intercept
is (0, c).
make a equation or graph .
The graph of this function would be a straight line passing through the point (0, c) with a slope of m.
What is the function?
A function is a relation between a set of inputs and a set of possible outputs, with the property that each input is related to exactly one output.
If the function increases at a constant rate of m and has a y-intercept of (0, c), then its equation can be written as:
f(x) = mx + c
The graph of this function would be a straight line passing through the point (0, c) with a slope of m.
Here's an example of the graph of f(x) = 2x + 3:
Attachment
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I don’t know what to do
The advantage of making a stem-and-leaf display instead of a dotplot is that a stem-and-leaf display
A. is for quantitative data, while a dotplot shows categorical data.
B. none of these
C. satisfies the area principle.
D. preserves the individual data values.
E. shows the shape of the distribution better than a dotplot.
Given AABC, what is the value of x? Write the answer as a decimal number.
A
7
X
B
2
D
3.5
C
The value of x is given as follows:
x = 12.25
What are similar triangles?Similar triangles are triangles that share these two features listed as follows:
Congruent angle measures, as both triangles have the same angle measures.Proportional side lengths, which helps us find the missing side lengths.The proportional relationship for the side lengths in this problem is given as follows:
x/7 = 3.5/2
Applying cross multiplication, the value of x is obtained as follows:
2x = 7 x 3.5
x = 7 x 3.5/2
x = 12.25.
Missing InformationThe triangle is given by the image presented at the end of the answer.
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RP←→
is used to form various angles. Which pair of angles must be supplementary?
∠PQT and ∠TQR
∠TQS and ∠SQR
∠PQT and ∠PQS
∠PQT and ∠TQS
Answer:
∠PQT and ∠TQR.
Step-by-step explanation:
If you're still confused about which angles are supplementary, let me give you a hint. Imagine that RP←→ is a giant ruler that you can use to measure the angles. Now, if you place the ruler on ∠PQT and ∠PQS, you'll see that they are too small to fit the whole ruler. They only cover half of it, which means they add up to 90 degrees. That's not what we want, we want 180 degrees!
Similarly, if you place the ruler on ∠TQS and ∠SQR, you'll see that they are too big to fit the whole ruler. They overlap each other, which means they are equal. And if they are equal, they must be 90 degrees each, because that's the only way two angles can add up to 180 degrees. But we don't want two 90 degree angles, we want two different angles!
The only option left is ∠PQT and ∠TQR. If you place the ruler on them, you'll see that they fit perfectly on the whole ruler. They cover it from end to end, which means they add up to 180 degrees. That's exactly what we want! So the correct answer is ∠PQT and ∠TQR. Congratulations, you've just solved a tricky geometry problem with a simple tool!
the health care provider prescribes cefazolin 550 mg intramuscularly to a client. The nurse dilutes a 2-g vial of cefazolin (Ancef) with 3 mL of diluent to yield a volume of 3.2 mL. How many mL should the nurse administer if the physician orders 550 mg IM? Type the correct answer in the blank.
The nurse should administer 0.88 mL of the cefazolin solution for the 550 mg IM dose.
To determine the number of mL to administer for the 550 mg IM dose of cefazolin, follow these steps:
Determine the concentration of cefazolin per mL:
- You have a 2-g (2000 mg) vial of cefazolin that was diluted with 3 mL of diluent, yielding a total volume of 3.2 mL.
- Divide the total amount of cefazolin (2000 mg) by the total volume (3.2 mL) to find the concentration per mL: 2000 mg / 3.2 mL = 625 mg/mL.
Calculate the volume needed for the 550 mg dose:
- Divide the prescribed dose (550 mg) by the concentration per mL (625 mg/mL):
550 mg / 625 mg/mL = 0.88 mL.
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The nurse should administer 0.88 mL of the cefazolin solution intramuscularly to the client.
To determine the mL to administer for the 550 mg IM order of cefazolin, follow these steps:
1. Calculate the concentration of cefazolin in the solution:
- 2,000 mg (2-g vial) of cefazolin is diluted with 3 mL of diluent, yielding a volume of 3.2 mL.
- Concentration = (2,000 mg) / (3.2 mL) = 625 mg/mL
2. Determine the volume needed for the 550 mg prescribed dose:
- Volume = (Prescribed Dose) / (Concentration)
- Volume = (550 mg) / (625 mg/mL) = 0.88 mL
Cefazolin is an antibiotic used to treat various bacterial infections. The dosage of cefazolin depends on the type and severity of the infection, as well as the patient’s weight, age, and kidney function12. The usual adult dose for mild to moderate infections ranges from 250 mg to 1 g every 6 to 12 hours
The nurse should administer 0.88 mL of the cefazolin solution intramuscularly to the client.
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what is b equal too?[tex]441+b^{2} =3011.81[/tex]
Based on the equation 441 + b² = 3011.81, the value of b is equal to 50.7032.
What is an exponent?In Mathematics, an exponent is a mathematical operation that is typically used in conjunction with an algebraic expression in order to raise a quantity to the power of another.
This ultimately implies that, an exponent is represented by the following mathematical expression;
bⁿ
Where:
the variables b and n are numerical values (numbers) or an algebraic expression.n is referred to as a superscript or power.Based on the given equation, we have the following;
441 + b² = 3011.81
By subtracting 441 from both sides of the equation, we have the following:
441 + b² - 441 = 3011.81 - 441
b² = 3011.81 - 441
b² = 2570.81
b = √2570.81
b = 50.7032.
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Consider triangle DEF.
The measure of angle F is 90°,
DE=85 cm,
EF=84 cm, and DF=13 cm.
Which of the following expressions are true about this triangle?
Select all that apply.
I hope this helps you .
100% of what number is 6
Answer:
6
Step-by-step explanation:
Half of six is 3. That would be 50%. 6 at 100% is simply 6.
which statement correctly compares the dight 5 in the number 89.059 and 78.365
The digit 5 in 89.059 is greater than the digit 5 in 78.365.
To compare the digit 5 in the numbers 89.059 and 78.365, we need to look at the place value of the digit 5 in both numbers. In 89.059, the digit 5 is in the thousandth place, while in 78.365, the digit 5 is in the hundredth place.
Since the digit 5 in the thousandth place has a greater place value than the digit 5 in the hundredth place, it means that the digit 5 in 89.059 is greater than the digit 5 in 78.365.
To understand this concept better, consider the place value system of decimal numbers, where each digit represents a specific place value. The rightmost digit represents the units, the next digit to the left represents the tens, and so on.
Moving leftwards, each digit's place value increases by a factor of 10. Thus, the digit 5 in the thousandth place has a place value of 0.001, which is greater than the place value of the digit 5 in the hundredth place, which is 0.01. Therefore, the digit 5 in 89.059 is greater than the digit 5 in 78.365.
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Reyna has 5 crowns worth 10 cents each and 4 coins worth 25 cents each. If she chooses two of these coins at random, what is the probability that the two coins combined will be worth at least 35 cents? 
PLEASE I NEED HELP!!!
Answer:
1 crown and 1 coin
Step-by-step explanation:
1 crown =10 cents
1 coin = 25 cents
10 +25 = 35
State the value of the length or ratio based on the triangle pictured.
10. length of side opposite ZA
21
20
B
12. length of hypotenuse
14. cos A
11. length of side adjacent ZA
13. sin A
15. tan A
Answer:
see explanation
Step-by-step explanation:
10
length of side opposite ∠ A is BC = 20
11
length of side adjacent to ∠ A is AC = 21
12
length of hypotenuse is AB = 29
13
sin A = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{20}{29}[/tex]
14
cos A = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{21}{29}[/tex]
15
tan A = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{20}{21}[/tex]
use the pythagorean formula to find X the triangle has 20 and 16 and X what is x
Answer: 12
Step-by-step explanation:
Using Phytagorean theorem
[tex]r^{2} = \sqrt{} y^{2} +x^{2}[/tex]
given: r=20 and y=16
[tex]20^{2} =\sqrt16^{2} +x^{2} \\400=\sqrt{256+ x^{2} \\[/tex]
move x to the other side (when x is moving to the other side the sign change)
x²= √400-256 subtract
x= √144 take the square root
x= 12
Ms. Roberts selected 4 3/4 pounds of grapes. The grapes cost $2.50 per pound. How much will Ms. Roberts pay for the grapes?
Ms. Roberts will pay $9.375 for the grapes.
We have,
To calculate the cost of the grapes, you can multiply the weight of the grapes by their price per pound.
Weight of grapes = 4 3/4 pounds
Price per pound = $2.50
Total cost of grapes = (4 3/4 pounds) x ($2.50/pound)
First, we need to convert the mixed number 4 3/4 to an improper fraction:
= 4(3/4)
= (4 x 4 + 3)/4
= 19/4
Now, we can multiply:
Total cost of grapes = (19/4) x ($2.50/pound)
Simplifying the fractions:
Total cost of grapes = $9.375
Therefore,
Ms. Roberts will pay $9.375 for the grapes.
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The point p has a value of 2 and is represented on the top number line with a point. All that is known about point q is that |q| = 5. Using the top number line, locate p + q and p + (-q)
Using the top number line, p + q and p + (-q) can be located as shown in the attached image.
How to locate points on a number line?A number line is a line on which numbers are marked at intervals, used to illustrate simple numerical operations. It is also a pictorial representation of the real numbers.
Since point p has a value of 2 and point q has |q| = 5. We can say:
p + q = 2 + 5 = 7
p + (-q) = 2 + (-5) = -3
Therefore, using the top number line, we can then locate p + q and p + (-q) with their calculated values (Check the green dot in the attached image).
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Complete Question
Check the attached image
solve y= -3x+16 when y is 8
Answer:
x = 8/3
Step-by-step explanation:
y = mx + b
y = -3x + 16
8 = -3x + 16
Subtract 16 from both sides
-8 = -3x
Divide both sides by -3
8/3 = x
Find the supplementary angle (or supplement) to a 55º angle
30 PTSSSSSS IF YOU HELP ME GOOD, I WILL GIVE YOU BRAINLYEST BUT ANY FOOL ANSWERS WILL BE REPORTED
The supplementary angle means the sum of angles will be 180°. Hence the supplementary angle (or supplement) to a 55º angle is 125°.
What is a linear pair?When adding two or more angles, the result is 180°, and such pairs of angles are called linear pairs. The word 'linear' means 'straight', and 180° is also referred to as a straight angle. That is why a linear pair is always 180°.
Given angle is 55°.
To find the supplementary angle or supplement of 55º we must subtract 55º from 180°.
That is Supplement = 180 - 55 = 125°.
This is because supplementary angle means sum of two angles results in 180°.
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Can you pls help? This is geometry
Answer:
(x+2)^2+(y-5)^2=81
Step-by-step explanation:
standard form equation is (x-h)^2+(y-k)^2=r^2
so, input the values:
(x+2)^2+(y-5)^2=9^2
simplify:
(x+2)^2+(y-5)^2=81
How would I solve 3 to the power of 2 times 9 to the power of 2
Answer: 729
Step-by-step explanation:
3^2 is the same has 3 to the power of 2
9^2 is the same as 9 to the power of 2
When you see an expression like 3^2 x 9^2, it means you must raise 3 and 9 to the power of 2, multiply those numbers, and then do it again.
3 raised to the power of 2, often known as 3 times itself or 3 x 3, equals 9.
9 raised to the power of 2, often known as 9 times itself (9 x 9), equals 81.
As a result, when we change these values in the original expression, we obtain:
3^2 x 9^2 = 9 x 81
Now that we have these two integers, we can easily multiply them to obtain the result:
9 x 81 = 729
Therefore, 729 is the answer to the equation 3^2 x 9^2.
Hope that was helpful.G(Q) = 5 + 3Q + 202 - Q2 C2(Q) = 3 + 4Q + 2 1. Find the MC function for both C1(Q) AND C2(Q). 2. Find AVC function for both Ci(Q) AND C2(Q). 3. Find AFC function for both C1(Q) AND C2(Q). 4. Find AC function for both Ci(Q) AND C2(Q). 5. Find ATC function for both Ci(Q) AND C2(Q).
For C1(Q) = 3 - 2Q.
For C2(Q) = 4.
2. The AVC function
For C1(Q) = 5/Q + 3 + 20/Q - Q.
For C2(Q) = 3/Q + 4 + 2/Q.
3. The AFC function
For C1(Q)= 5/Q - 20/(5 + 3Q + 20/Q - Q)
For C2(Q) = 0.
4. To find the AC function
For C1(Q) = (5 + 3Q + 202 - Q^2)/Q + 5/Q - 20/(5 + 3Q + 20/Q - Q).
For C2(Q) = (3 + 4Q + 2)/Q + 3/Q + 4 + 2/Q.
5.To find the ATC function
For C1(Q)= 5/Q² + 3/Q + 20/Q² - Q/Q + 5/Q - 20/(5Q + 3Q² + 20 - Q²)
For C2(Q)= 3/Q² + 4/Q + 2/Q² + 3/Q + 4/Q + 2/Q.
Find the ATC functions for C1(Q) and C2(Q) given the provided cost functions?
1. To find the MC function, we take the derivative of the cost functions with respect to Q.
For C1(Q) = 5 + 3Q + 202 - Q^2, MC1(Q) = 3 - 2Q.
For C2(Q) = 3 + 4Q + 2, MC2(Q) = 4.
2. To find the AVC function, we divide the cost functions by Q.
For C1(Q), AVC1(Q) = (5 + 3Q + 202 - Q^2)/Q = 5/Q + 3 + 20/Q - Q.
For C2(Q), AVC2(Q) = (3 + 4Q + 2)/Q = 3/Q + 4 + 2/Q.
3. To find the AFC function, we subtract the AVC function from the ATC function.
For C1(Q), AFC1(Q) = (5 + 3Q + 202 - Q^2)/Q - (5 + 3Q + 202 - Q^2)/(5 + 3Q + 20/Q - Q)
= 5/Q - 20/(5 + 3Q + 20/Q - Q).
For
C2(Q), AFC2(Q) = (3 + 4Q + 2)/Q - (3 + 4Q + 2)/(3/Q + 4 + 2/Q) = 0.
4. To find the AC function, we add the AVC function to the AFC function.
For
C1(Q), AC1(Q) = (5 + 3Q + 202 - Q^2)/Q + 5/Q - 20/(5 + 3Q + 20/Q - Q).
For
C2(Q), AC2(Q) = (3 + 4Q + 2)/Q + 3/Q + 4 + 2/Q.
5. To find the ATC function, we divide the AC function by Q.
For
C1(Q), ATC1(Q) = [(5 + 3Q + 202 - Q²)/Q + 5/Q - 20/(5 + 3Q + 20/Q - Q)]/Q
= 5/Q² + 3/Q + 20/Q² - Q/Q + 5/Q - 20/(5Q + 3Q² + 20 - Q²).
For
C2(Q), ATC2(Q) = [(3 + 4Q + 2)/Q + 3/Q + 4 + 2/Q]/Q
= 3/Q² + 4/Q + 2/Q² + 3/Q + 4/Q + 2/Q.
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There are 240 politicians at a meeting.
They each shake hands with everyone
else. How many handshakes were there?
there were 28,800 handshakes that occurred at the meeting.
How to solve the question?
In order to calculate the number of handshakes that occurred, we can use the formula for the sum of the first n-1 positive integers. The reason we use n-1 is because each person shakes hands with n-1 other people (themselves excluded).
The formula is:
(n-1) + (n-2) + (n-3) + ... + 1
where n is the number of people in the group.
In this case, n = 240, so we plug in:
(240-1) + (240-2) + (240-3) + ... + 1
Simplifying:
239 + 238 + 237 + ... + 1
We can see that this is an arithmetic series with a common difference of -1 and a first term of 239. Using the formula for the sum of an arithmetic series, we get:
S = n/2 * (first term + last term)
S = 240/2 * (239 + 1)
S = 240/2 * 240
S = 28,800
Therefore, there were 28,800 handshakes that occurred at the meeting.
It's worth noting that this calculation assumes that each handshake is counted twice (once for each person involved). If we only counted each handshake once, then we would need to divide our final answer by 2, giving us 14,400 handshakes.
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now, using the above definition, determine if the function below is increasing, decreasing, even, odd, and/or invertible on its natural domain: $$f(x)
f'(x) = 2x - 2 is always positive on (-∞, 1) and always negative on (1, ∞), the function is increasing and decreasing, respectively, and therefore one-to-one. Therefore, f(x) is invertible in its natural domain.
What is the exponential function?
An exponential function is a mathematical function of the form f(x) = aˣ
where "a" is a constant called the base, and "x" is a variable. Exponential functions can be defined for any base "a", but the most common base is the mathematical constant "e" (approximately 2.71828), known as the natural exponential function.
To determine if the function f(x) = x² - 2x + 3 is increasing, decreasing, even, odd, and/or invertible in its natural domain, we need to analyze its derivative and second derivative:
f'(x) = 2x - 2
f''(x) = 2
Increasing/decreasing: Since f''(x) is always positive (i.e., 2 is positive), the function is always concave up and has a minimum at x = 1. Thus, f(x) is increasing on (-∞, 1) and decreasing on (1, ∞).
Even/odd: To determine if f(x) is even or odd, we need to check if it satisfies the properties of even and odd functions.
Even function: A function f(x) is even if f(-x) = f(x) for all x in the domain. Let's check if f(x) satisfies this property:
f(-x) = (-x)² - 2(-x) + 3 = x² + 2x + 3
f(x) = x² - 2x + 3
f(-x) ≠ f(x), so the function is not even.
Odd function: A function f(x) is odd if f(-x) = -f(x) for all x in the domain. Let's check if f(x) satisfies this property:
f(-x) = (-x)² - 2(-x) + 3 = x² + 2x + 3
-f(x) = -(x² - 2x + 3) = -x² + 2x - 3
f(-x) ≠ -f(x), so the function is not odd.
Invertible: To determine if f(x) is invertible, we need to check if it has an inverse function.
A function has an inverse function if it is one-to-one, which means that it passes the horizontal line test.
To check if f(x) is one-to-one, we can analyze its derivative.
Hence, f'(x) = 2x - 2 is always positive on (-∞, 1) and always negative on (1, ∞), the function is increasing and decreasing, respectively, and therefore one-to-one. Therefore, f(x) is invertible in its natural domain.
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Complete question:
For the following, determine if the function is increasing, decreasing, even, odd, and/or invertible on its natural domain: f(x) = x² - 2x + 3.
The angles of a triangle are in the ratio 2 : 3 : 4. The largest angle in the triangle is: