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The mapping f:ZZ rarr ZZ defined by , f(...

The mapping `f:ZZ rarr ZZ` defined by , `f(x)=3x-2`, for all `x in ZZ`, then f will be ___

A

onto but not one-one

B

one-one but not onto

C

many-one and into

D

many-one and onto

Text Solution

Verified by Experts

The correct Answer is:
B
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