Mathematics · Application of Derivatives
The function f(x) = 4x3 - 3x26 - 2sin(x) + (2x - 1)cos(x):
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Decreases in [1/2, ∞)
- 2Increases in (-∞, 1/2]
- 3Decreases in (-∞, 1/2]
- 4Increases in [1/2, ∞)✓
Correct answer
Increases in [1/2, ∞)
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