In the interval [-5, -3], the function $

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Target Exam

CUET

Subject

-- Mathematics - Section A

Chapter

Applications of Derivatives

Question:

In the interval [-5, -3], the function $f(x)=(x+1)(x-3)$ is:

Options:

strictly increasing

strictly decreasing

neither increasing nor decreasing

first increasing then decreasing

Correct Answer:

strictly decreasing

Explanation:

The correct answer is Option (2) → strictly decreasing