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let f: RrarrR be a function defined by f...

let `f: RrarrR` be a function defined by `f(x)=max{x,x^3}`. The set of values where f(x) is differentiable is:

A

{-1, 1}

B

{-1, 0}

C

{0, 1}

D

{-1, 0, 1}

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The correct Answer is:
D
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  11. In the following, [x] denotes the greatest integer less than or equal ...

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  12. If f(x)=min.(1,x^2,x^3), then

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  21. The function f(x) = [x] cos((2x-1)/2) pi where [ ] denotes the greate...

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