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The function f(x) = max. {(1-x), (1+x), ...

The function `f(x) = max. {(1-x), (1+x), 2}, x in (-oo, oo)` is

A

discontinuous at exactly two points

B

differentiable `AA xin R`

C

differentiable `AA x in R-{-1, 1}`

D

continuous `Aax in R-{0, 1,-1}`

Text Solution

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The correct Answer is:
C
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