Question

PLZ HELP

Answer 1

Answer:

C

Step-by-step explanation:

The rate of change of a function in the closed interval [ a, b ] is

$\frac{f(b)-f(a)}{b-a}$

Here [ a, b } = [ 0, 4 ]

From the graph

f(b) = f(4) = 75 and f(a) = f(0) = 15, thus

average rate of change = $\frac{75-15}{4-0}$ = $\frac{60}{4}$ = 15

Answer 2

Answer:

the other person is right!!! The answer is C.

Step-by-step explanation:

I took the test and got it right