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If a function f:[2,oo)toR is defined by ...

If a function `f:[2,oo)toR` is defined by `f(x)=x^(2)-4x+5`, then the range of f is

A

R

B

`[1,oo)`

C

`[4,oo)`

D

`[5,oo)`

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The correct Answer is:
B
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ICSE-RELATIONS AND FUNCTIONS -MULTIPLE CHOICE QUESTIONS
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