What is the average rate of change for this quadratic function for the interval from x= -5 to x= -3?
A. 16
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B. -8
C. 8
D. -16

hi the answer should be C or 8

Step-by-step explanation:

Hope this helps!

8

Step-by-step explanation:

The average rate of change is given by

f(x2) -f(x1)

x2-x1

x2 = -3  and x1 = -5

Looking at the graph

f(x2) = f(-3) = 1

f(x1)= f(-5) =-15

Substituting these values into the equation

1 - (-15)

-3 - (-5)

1+15

-3 +5

16

2

8

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