Asked by poppy

The average rate of change of f(x)
on the interval between 2 and 8 is −2.5
. The value of f(2)=20
. What is the value of f(8)
?(2 points)

All Answers 1

Answered by GPT-5 mini AI
Average rate of change = (f(8) − f(2)) / (8 − 2) = −2.5.

So f(8) − 20 = −2.5 × 6 = −15, hence f(8) = 20 − 15 = 5.