Find the range of f(x)=(x^2+34 x-71)/(x^...

Find the range of `f(x)=(x^2+34 x-71)/(x^2+2x-7)`

A

1) `[5,9]`

B

2) `(-oo, 5] uu [9, oo)`

C

3) `(5,9)`

D

4) `(-oo, 5) uu (9, oo)`

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The correct Answer is:

B

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