How to find the average rate of change if the function

Question

asked Mar 16, 2022 209k views

1 Answer

Hypermiler · Answer 1 · 2022-03-23T00:01:46+0000

Answer:

14

Explanation:

Average rate of change is given as
(f(b) - f(a))/(b - a)

Where,

a = 4,

f(a) = f(4) = (4)² + 3(4) = 16 + 12 = 28

b = 7,

f(b) = f(7) = (7)² + 3(7) = 49 + 21 = 70

Plug in the values into the formula

Average rate of change =
(70 - 28)/(7 - 4)

= (42)/(3) = 14