Answer:

Step-by-step explanation:

Subtract
from both sides:



Subtract
from both sides:



Multiply both sides by 15:



The value of the hats bought by John, Stacey, and Jim are $8 per hat. This shows a proportional relationship.
<h3>What is a proportional relationship?</h3>
It should be noted that a proportional relationship is one where it van be expressed as y = kx.
In this case, John bought 3 for $24.00. This will be:
= $24 / 3
= $8 per hat
Stacey bought 5 for $40.00. This will be:
= $40 / 5
= $8 per hat
Jim bought 2 for $16.00. This will be:
= $16/2
= $8 per hat
Therefore, it's a proportional relationship.
Learn more about proportional relationship on:
brainly.com/question/12242745
#SPJ1
Answer:
(f.g)(x)=4x^3+4x^2
Step-by-step explanation:
f(x) = 4x^2and g(x) = x+1, (f•g)(x)=?
(f.g)(x)=f(x)*g(x)
(f.g)(x)=4x^2*(x+1)
(f.g)(x)=4x^3+4x^2
hope it helps. .brainliest please