Question

What is the average rate of change for this quadratic function for the interval

from x=3 to x = 5?

A. 16

B. 8

C. -16

D. -8

Answer 1

Answer:

x 2 − 8 x + 15

Step-by-step explanation:

( x − 3 ) ( x− 5)

 Expand  ( x − 3 ) ( x − 5 )

using the FOIL Method.

x ⋅ x + x ⋅ − 5 − 3 x − 3 ⋅ − 5

Simplify and combine like terms.