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Let f :N rarr R be defined by f(x) = x^...

Let f :N `rarr R ` be defined by f(x) `= x^(2) +1` . Then the pre - image (s) of 17 are:

A

`pm 4 `

B

`-4`

C

`4`

D

Data insuficient

Text Solution

Verified by Experts

The correct Answer is:
C
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