# Math Help - derivative and gradient functions

1. ## derivative and gradient functions

Help! can someone please explain what to do and what is meant by "use a limiting process"???
Thank you so much!

Use a limiting process to find the gradients of the curve at the point indicated:
f(x)=x^3 at x=2

2. $f'(2) = \lim_{x \to 2} \frac{x^3 - 2^3}{x-2}$