Posted by **Zaheer** on Friday, November 2, 2012 at 12:26am.

Let f be a real value function and x Î Df

then

0

lim ( ) ( )

h

f x h f x

® h

+ -

when it exists is

called

A) The derivative of f at a

B) The derivative of f at h

C) The derivative of f at x

D) The derivative of f at x = h

- math -
**Steve**, Friday, November 2, 2012 at 1:35am
Can't read your funky fonts, but since

there are no a's involved, and

there x's and h's,

I'd say (C)

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