Let f:""RvecR be defined by f(x)""={k-2x...

Let `f:""RvecR` be defined by `f(x)""={k-2x , if""xlt=-1 2x+3,f""x >-1}` . If f has a local minimum at `x""=""1` , then a possible value of k is (1) 0 (2) `-1/2` (3) `-1` (4) 1

A

1

B

0

C

`-1//2`

D

`-1`

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The correct Answer is:

D

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