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If f (x) = {{:(cx +1 " , "x le 3),(cx^(...

If ` f (x) = {{:(cx +1 " , "x le 3),(cx^(2)-1" , " x gt 3):}` is continuous at x = 3, then c = . . . .

A

`1//3`

B

`2//3`

C

`3//2`

D

3

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