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Let f(x) = {:{(x^2+1,xle2),(2x+3,x>2):},...

Let `f(x) = {:{(x^2+1,xle2),(2x+3,x>2):}`, then `underset(xrarr2^-)Limf(x)` is equal to

A

5

B

`-5`

C

7

D

`-7`

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