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azamat
4 years ago
14

If f(x) = x^2 and g(x) = 1/2x + 3, find g(f(-1)). A.) -1 B.) 1/25 C.) 1/5 D.) 1

Mathematics
1 answer:
Veseljchak [2.6K]4 years ago
5 0
F(x)=x^2
x=-1→f(-1)=(-1)^2→f(-1)=1

g(x)=1/(2x+3)
g(f(-1))=g(1)→x=1→g(1)=1/[2(1)+3]=1/(2+3)→g(f(-1))=1/5

Answer: Option C.) 1/5
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A line that includes the point (-11,-1) has a slope of 1. What is it's equation in slope intercept form.
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Answer:

y - 1 = 1( x -11)

Step-by-step explanation:

I hope this helps you out!

3 0
3 years ago
Chris saved x dollars and spent half of his savings buying video games. After earning an additional $15 cutting grass, he had $5
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Chris started with $70  in the savings account

What is the equation representing the scenario?

The equation representing the scenario painted in the question is: one half times x plus 15 equals 50

1/2*X+15=50

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X/2=35

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X=70

In short the amount Chris started with in the savings account is $70

Find out more about savings plan equation on:brainly.com/question/23630456

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4 0
1 year ago
A flower pot, in the shape of a cylinder,l has a circumference of 66 in. and a height of 30 in.
Vaselesa [24]
The amount of soil that the pot can hold is best approximated by calculating for the volume of the cylinder through the equation,
                                V = πr²h
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                      C = 2πr;    r = C/2π = 66 in/2(π) = 10.5 in
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Thus, the volume of the soil is approximately 10,400. The answer is the third set.
6 0
3 years ago
Each painting class Olivia teaches is h hours long. She teaches 6 classes per week. Write an expression that shows the total num
raketka [301]

Answer:

6h

Step-by-step explanation:

If Olivia teaches 6 classes that are 1 hour, she teaches 6×1 is 6 hours.

If the classes are two hours, she teaches 6×2 is 12 hours.

Try with numbers to see what math operation you are doing. Its times.

6×h is written 6h

5 0
2 years ago
Researchers want to investigate if students retain more information if it printed on blue paper rather than white paper. They re
Debora [2.8K]

Answer:

Stratified design with color of paper as the blocks

Step-by-step explanation:

The experimental design that this question uses is the stratified design with color of paper as the blocks

A stratified design is one where the population has been divided into strata that are homogeneous. A good number of participants would then be picked for each of the stratum. The homogeneous strata are also known as the blocks and here in this question we have color of paper as the block here.

The students are of different school levels, elementary, high school and middle school. Each of these levels have 100 students. The students in each levels are halved and each half is randomly assigned information on either a white paper or a blue paper.

5 0
3 years ago
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