Is g={(1,1),(2,3),(3,5,),(4,7)} a functi...

Is `g={(1,1),(2,3),(3,5,),(4,7)}` a function? If this is described by the formula, `g(x)=alphax+beta,` then what values should be assigned to `alpha and beta?`

A

`alpha = 1, beta = 1`

B

`alpha = 2, beta = - 1`

C

`alpha = 1, beta = - 2`

D

`alpha = - 2, beta = - 1`

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The correct Answer is:

B

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