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Let f {(1,1), (2,4), (0,-2), (-1,-5)} be...

Let `f {(1,1), (2,4), (0,-2), (-1,-5)}` be a linear function from Z into Z. Then, f (x) is

A

`f (x) =3x -2`

B

`f (x) =6x-8`

C

`f (x) =2x-2`

D

`f (x) =7x+2`

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The correct Answer is:
A
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