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July 30, 2015

Homework Help: increasing and decreasing intervals

Posted by Jen on Sunday, November 5, 2006 at 9:25pm.

Have to find the intervals on which
f(x) = 4 - sqrt(x+2) is increasing. Also the intervals on which the function is decreasing.

TIA

Find the derivative of f(x). When the derivative is positive, the function increases as x increases. When the derivative is negative, the function decreases as x increases.

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