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Given f(x) = 2/(x + 1), what is(are) the...

Given `f(x) = 2/(x + 1)`, what is(are) the real value(s) of t for which `f(t) = t`?

A

`-1 only`

B

2 only

C

`-2 and 1 only`

D

`-1 and 2 only`

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The correct Answer is:
C
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