Mathematics · Calculus

The function f(x) = 4sin3x - 6sin2x + 12sin x + 100 is strictly:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1decreasing in [-π2, π2]
2decreasing in (π2, π)
3decreasing in [0, π2]
4increasing in (π, 3π2)✓

Correct answer

increasing in (π, 3π2)

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The function f(x) = 4sin3x - 6sin2x + 12sin x + 100 is strictly:

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