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Let f(x) = (x+1)^(2) - 1, (x ge - 1). Th...

Let f(x) = `(x+1)^(2) - 1, (x ge - 1)`. Then, the set S = {x : f(x) = `f^(-1)(x)`} is

A

is an empty set

B

contains exactly one element

C

contains exactly two elements

D

contains more than two elements

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The correct Answer is:
C
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