# Derivatives Question

**View this question.**

Add this question to a group or test by clicking the appropriate button below.

[math]f(x)=x^3+x^2-x[/math]

- Increasing: [math](-oo, -1) uu (1/3,oo)[/math]; decreasing: [math](-1, 1/3) [/math]
- Increasing: [math](-oo, -1)[/math]; decreasing: [math](-1, 1/3)[/math]
- Increasing for all x
- Increasing: [math](-1,1/3)[/math]; decreasing: [math](-oo, -1) uu (1/3,oo)[/math]