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

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

A

a) `{0,-1,(-3+isqrt3)/2,(-3-isqrt3)/2}`

B

b) `{0,1,-1}`

C

c) `{0,-1}`

D

d) empty

Text Solution

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The correct Answer is:
C
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