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consider f:R-{0}toR defined by f(x)=1-e^...

consider `f:R-{0}toR` defined by `f(x)=1-e^((1)/(x)-1)`
Q. `f(x)` is a/an

A

one-one function

B

many-one function

C

onto function

D

into function

Text Solution

Verified by Experts

The correct Answer is:
A, D

`because` into function
`f(0^(+))to-infty`
`f^(0^(-))to1`
`f(infty)to0`
`f(-infty)to0`
Codomain `ne` Range
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