Question

HELP ASAP!!! Whats the answer to the last one?

What is the average rate of change from x=10 to x=15?

Answer 1

-2

Explanation:

The rate of change is

roc = f(x2) - f(x1)

---------------

x2 -x1

x2 is the last point or 15

x1 is the first point or 10

f(15) = 10 from the graph

f(10) = 20 from the graph

roc = f(15) - f(10)

---------------

15-10

roc = 10 - 20

---------------

15-10

roc = -10

--------

5

roc = -2