Applications of Differentiation - Interpreting Gradients and Concavity
Applications of Differentiation - Interpreting Gradients and Concavity
State the maximal range of values of \(x\) for which the graph of \(y=\mathrm{f}\left( x \right)\) is
- strictly decreasing,
- decreasing,
- concave upwards,
- concave downwards.
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Answer:(a) \(-3<x<-1\) or \(-1<x<0\) (b) \(-3\le x<-1\) or \(-1<x\le0\) (c) \(-1<x<1\) (d) \(x<-1\) or \(x>1\)
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