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If f={(0,-1),(-1,-3),(2,3),(3,5)} is a f...

If `f={(0,-1),(-1,-3),(2,3),(3,5)}` is a function from z to z defined by `f(x)=ax+b`. Then,

A

`a=1,b=-2`

B

`a=2,b=1`

C

`a=2,b=-1`

D

`a=1,b=2`

Text Solution

Verified by Experts

The correct Answer is:
C
Here, `f(0)=0+bimplies-1=b`
and `f(-1)=-a+bimplies-3=-a+b`
`implies" "-a=-3+1impliesa=2`
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