Question:
In which interval the function \(f(x) = \frac {x}{(x^2-6x-16)}\) is increasing?
In which interval the function \(f(x) = \frac {x}{(x^2-6x-16)}\) is increasing?
Updated On: Sep 8, 2024
φ
\([1,\frac 34)∪(\frac 54, ∞)\)
\((\frac 54 ,∞)\)
\((\frac 34, \frac 54)\)
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The Correct Option is A
Solution and Explanation
The correct option is (A): φ
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Concepts Used:
Increasing and Decreasing Functions
Increasing Function:
On an interval I, a function f(x) is said to be increasing, if for any two numbers x and y in I such that x < y,
⇒ f(x) ≤ f(y)
Decreasing Function:
On an interval I, a function f(x) is said to be decreasing, if for any two numbers x and y in I such that x < y,
⇒ f(x) ≥ f(y)
Strictly Increasing Function:
On an interval I, a function f(x) is said to be strictly increasing, if for any two numbers x and y in I such that x < y,
⇒ f(x) < f(y)
Strictly Decreasing Function:
On an interval I, a function f(x) is said to be strictly decreasing, if for any two numbers x and y in I such that x < y,
⇒ f(x) > f(y)
Graphical Representation of Increasing and Decreasing Functions
