(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known datalet f be a ffunction for which f(2)=-3 and f'(x)=square root of (x^2+5) if g(x)= x^2*f(x/(x-1)), what is g'(2)?

2. Relevant equations

3. The attempt at a solutioni am almost positive that i need to find the opposite of derivative (antiderivative?) for f'(x), so i can find f(x) and then substitute that into g(x) to find g'(x). however. i'm not sure how to do antiderivatives. i think it is something like square root of "?" +5x, but i don't know what the antideravitive of x^2 is. i would have guessed x^3, but that would yeild 3x^2 instead of x^2.

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Two functions involving derivatives

**Physics Forums | Science Articles, Homework Help, Discussion**