What does this mean f '(2)

Main Question or Discussion Point

is it the same as f(2)

No. It usually means the derivative of f evaluated at 2.

Gib Z
Homework Helper
$$f'(2) = \lim_{h \rightarrow 0} \frac{f(2+h) - f(2)}{h}$$

thanks man

mathwonk
Homework Helper
one is height of graph at x=2, one is slope of graph at x=2.

Hurkyl
Staff Emeritus