Math Problem Statement
Tentukan interval fungsi berikut f(x) = x^3 + 3x^2 - 9x – 1 menjadi fungsi naik pada interval … a. -3 < x < 1 b. x < -3 atau x > 1 c. x <-1 atau x > 3 d. -1 < x < 3 e. 1 < x < 3
Solution
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Math Problem Analysis
Mathematical Concepts
Calculus
Derivatives
Critical Points
Intervals of Increase/Decrease
Formulas
Derivative of a cubic function
Critical point equation f'(x) = 0
Theorems
First Derivative Test
Suitable Grade Level
Grades 10-12
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