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Let f(x)={{:(1+(x)/(2k),0ltxlt2),(kx,2le...

Let `f(x)={{:(1+(x)/(2k),0ltxlt2),(kx,2lexlt4):}`
If `lim_(xto2)f(x)` exists, then what is the value of k?

A

`-2`

B

`-1`

C

0

D

1

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