Mathematics · Functions
For a real number 'a', if the real-valued function f(x) = 4x3 + ax2 + 3x - 2 is monotonic in its domain, then the range of 'a' is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(2, 4)
- 2Empty set
- 3[-6, 6]✓
- 4(-2, 2)
Correct answer
[-6, 6]
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