The interval on which the function f(x)=x^3+2x^2-1 is decrea... — Mathematics 2025

Question 54 Mathematics 2025 Medium MCQ +5.00 marks · -1.00 negative

The interval on which the function \(f(x)=x^3+2x^2-1\) is decreasing, is

A. \((-\infty,-4/3)\) B. \([0,\infty)\) C. \([-4/3,0)\) D. \([-4/3,\infty)\)

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