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Type: Multiple-Choice
Category: Calculus
Author: aghass

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# Calculus Question

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On what intervals is the function $f(x)=3x^3+2x^2$ increasing or decreasing?
1. increasing: $(-oo,-4/9) uu (0, oo)$, decreasing: $(-4/9, 0)$
2. increasing: $(-oo,-4/9)$, decreasing: $(-4/9, 0)$
3. increasing: $(-oo,0) uu (-4/9, oo)$, decreasing: $(-4/9, 0)$
4. increasing: $(-4/9, 0)$, decreasing: $(-oo,-4/9) uu (0, oo)$