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IF the domain of the function f(x) =...

IF the domain of the function `f(x) =x^2 -6x +7` is `(-oo , oo)` then range of the function is

A

`(-oo , oo)`

B

`[-2 ,oo)`

C

`(-2,3)`

D

`(-oo,-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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