CAT 2021 Slot 2 QA Q13 Functions & Graphs

Question 13 of the Quantitative Ability (QA) section, CAT 2021 Slot 2, with CAT's official answer.

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
( \(\frac{3}{7}\) , \(\frac{1}{2}\) )

Answer: (C) [ 3/7 , 1/2 ) Functions & Graphs MCQ

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