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Joint Entrance Examination
Mathematics
Application of Derivatives
Question 201
Question 201 of 212
Medium
MCQ
The function \[f(x)=\frac{x}{x^2-6 x-16}, x \in \mathbb{R}-\{-2,8\}\]
A
decreases in \[(-\infty,-2) \cup(-2,8) \cup(8, \infty)\]
B
increases in \[(-\infty,-2) \cup(-2,8) \cup(8, \infty)\]
C
decreases in \[(-2,8)\] and increases in \[(-\infty,-2) \cup(8, \infty)\]
D
decreases in \[(-\infty,-2)\] and increases in \[(8, \infty)\]
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Official solution
\[f(x)=\frac{x}{x^2-6 x-16}\]
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