Mathematics · Calculus
In which interval is the function f(x) = 13x3 + 12x2 - 6x + 8 strictly decreasing?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 < x < ∞
- 2x < -3
- 31 < x < 6
- 4-3 < x < 2✓
Correct answer
-3 < x < 2
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