Find f(x) for the given function f and simplify as much as possible

I'm really, really rusty...just started precalculus this fall and I can't remember how to do this (with the ...what is it called again?)

Thank you in advanced!

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- Sep 15th 2008, 04:09 PMtiarHELP!! Find f(x) for the given function...
Find f(x) for the given function f and simplify as much as possible

I'm really, really rusty...just started precalculus this fall and I can't remember how to do this (with the ...what is it called again?)

Thank you in advanced! - Sep 15th 2008, 04:12 PMicemanfan
You already have , so you must be looking for something else. If it's the derivative of f(x), remember the power rule: . And the derivative of a sum of terms is the sum of the derivatives of each of the individual terms.

- Sep 15th 2008, 04:15 PMtiar