Derivatives Question
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Find where the function f(x)=xln(x2) is increasing and where it is decreasing.
- Increasing on (-∞,0) and decreasing on (0,∞)
- Increasing on (-∞,-1e)∪(1e,∞) and decreasing on (-1e,0)∪(0,1e)
- Increasing on (-1e,0)∪(0,1e) and decreasing on (-∞,-1e)∪(1e,∞)
- Increasing on (-∞,∞)