SOLUTION: Determine the average rate of change for the function f(x)=x^2+2x from 5 to 9 using f(b)-f(a)/b-a.

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Question 813662: Determine the average rate of change for the function f(x)=x^2+2x from 5 to 9 using f(b)-f(a)/b-a.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Determine the average rate of change for the function f(x)=x^2+2x from 5 to 9 using f(b)-f(a)/b-a.
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f(x)=x^2+2x
Find f(9) by subbing 9 for each x
Do the same for f(5)
Subtract to get f(9) - f(5)
Divide by (9-5) = 4