The function f is defined by f(x) = 2x-1...

The function f is defined by `f(x) = 2x-1`, if `x gt 2`, f(x) = k if x=2 and `x^2 -1`, if `x lt 2` is continuous , then the value of k is equal to

A

2

B

4

C

3

D

-3

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The correct Answer is:

B

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