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If f(x)=alphax+beta and f={(1, 1), (2, 3...

If `f(x)=alphax+beta and f={(1, 1), (2, 3), (3, 5), (4, 7)}` then the values of `alpha, beta` are

A

2,-1

B

`-2,1`

C

`3,-1`

D

`-2,-1`

Text Solution

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The correct Answer is:
A
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