a) Find and classify the critical point(s). b) Find the

Last updated: 7/23/2022

a) Find and classify the critical point(s). b) Find the interval(s) where f(x) is increasing. c) Find the interval(s) where f(x) is decreasing. 1. f(x)=x²-x-1 2. f(x)=2x^4 - 4x² +1 3. f(x)=xe^1/x