← CAT 2021 Slot 2 QA

CAT 2021 Slot 2 QA · Question 13

For all real values of x, the range of the function f(x) = $\frac{x ^{2} + 2 x + 4}{2 x ^{2} + 4 x + 9}$ is

A.
[ $\frac{3}{7}$ , $\frac{8}{9}$ )
B.
[ $\frac{4}{9}$ , $\frac{8}{9}$ ]
C.
[ $\frac{3}{7}$ , $\frac{1}{2}$ )
D.
( $\frac{3}{7}$ , $\frac{1}{2}$ )

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