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Let I RvecI R be defined as f(x)=|x|++x^...

Let `I RvecI R` be defined as `f(x)=|x|++x^2-1|dot` The total number of points at which `f` attains either a local maximum or a local minimum is_______

A

2

B

4

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
C
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