Can someone please explain how to solve this?

Thanks in advance.

Let f(x)=x^3

What number does [f(5+h)-f(5)]/h approach as h approaches zero?

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- December 13th 2008, 11:53 AMoverduexLimits: h approaching zero
Can someone please explain how to solve this?

Thanks in advance.

Let f(x)=x^3

What number does [f(5+h)-f(5)]/h approach as h approaches zero? - December 13th 2008, 12:56 PMthelostchild
We have

- December 13th 2008, 01:06 PMoverduex
- December 13th 2008, 01:09 PMmr fantastic
- December 13th 2008, 01:28 PMthelostchild
- December 13th 2008, 01:31 PMJhevon
- December 13th 2008, 01:38 PMoverduex
- December 13th 2008, 01:57 PMZiaris
You expanded incorrectly. Use Jhevon's easy way by the binomial theorem to check your expansion. You're supposed to get