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Let A + {-1,0,1,2,3} and f : A to Z be g...

Let `A + {-1,0,1,2,3} and f : A to Z` be given by `f(x) =x^(2) -5x +7,` where `ZZ` is the set of integers. Then the pre-image of 7 is/ are-

A

0

B

0 or 5

C

2 or 3

D

no per image of 7

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A
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 2
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