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August 22, 2014

Homework Help: math

Posted by Anonymous on Friday, February 4, 2011 at 12:38pm.

Let f be defined as follows.
y = f(x) = x^2 - 4 x

(a) Find the average rate of change of y with respect to x in the following intervals.
from x = 5 to x = 6
from x = 5 to x = 5.5
from x = 5 to x = 5.1

(b) Find the (instantaneous) rate of change of y at x = 5.
4

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