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Let R be the set of real numbers and f:R...

Let R be the set of real numbers and `f:R to R` be defined by `f(x)=x^(2)+2`, then the set `f^(-1)(11 le x le 27)` is -

A

`{x:-3 le x le 3}`

B

`{x:-5 le x le -3 or , 3 le x le 5}`

C

`{x:0 le x le 6}`

D

`{x:-5 le x le 5 }`

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The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ ZONE -Question Paper 4
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