Q40 of 118 Page 3

Mark the correct alternative in the following:

The range of the function is


We know that

|x| = -x in (-∞, 0) and |x| = x in [0, ∞)


So, in (-∞, 0)


And in (0, ∞)


As clearly shown above f(x) has only two values 1 and -1


So, range of f(x) = {-1, 1}

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