Q. 245.0( 2 Votes )

Mark the correct alternative in the following:

If f : [-2, 2] R is defined by then

{x [-2, 2] : x ≤ 0 and f(|x|) = x} =

A. {-1}

B. {0}

C. {-1/2}

D. ϕ

Answer :



We have, |x|=x ;x≥0

And |x|=-x ;x≤0

So, -x-1=x


Option C…

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