SOLUTION: Find the average rate of change of the function f(x) = x^ 2 + 5x + 1 over the interval [-2, 1].

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Question 1113993: Find the average rate of change of the function f(x) = x^ 2 + 5x + 1 over the interval
[-2, 1].
Answer by greenestamps(13203) About Me  (Show Source):
You can put this solution on YOUR website!


f%28-2%29+=+%28-2%29%5E2%2B5%28-2%29%2B1+=+-5
f%281%29+=+1%5E2%2B5%281%29%2B1+=+7

The average rate of change is the slope of the line through (-2,f(-2)) and (1,f(1)):
%287-%28-5%29%29%2F%281-%28-2%29%29+=+12%2F3+=+4