Derivatives Question
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On what intervals is the function f(x)=3x3+2x2 increasing or decreasing?
- Increasing: (-∞,-49)∪(0,∞), decreasing: (-49,0)
- Increasing: (-∞,-49), decreasing: (-49,0)
- Increasing: (-∞,0)∪(-49,∞), decreasing: (-49,0)
- Increasing: (-49,0), decreasing: (-∞,-49)∪(0,∞)