Question

page 12 of 12
Average Rate of Change Quick Check
1 of 5
Calculate the average rate of change over the interval [2,4]
given the function table for f(x)=−x2+12
.

This table shows the values of the function f(x) for given values of x.
x f(x)

1 11
2 8
3 3
4 −4

(1 point)

−2


−6


2

6
Skip to navigation

Answer 1

Average rate of change = (f(4) − f(2)) / (4 − 2) = (−4 − 8) / 2 = −12 / 2 = −6.