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Let f:RtoR be defined as f(x)=(x^(2)-x+4...

Let `f:RtoR` be defined as `f(x)=(x^(2)-x+4)/(x^(2)+x+4)`. Then the range of the function f(x) is

A

`[(3)/(5),(5)/(3)]`

B

`((3)/(5),(5)/(3))`

C

`(-oo,(3)/(5))uu((5)/(3),oo)`

D

`[-(5)/(3),-(3)/(5)]`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
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