Mathematics · Functions
If f : ℝ → A, defined by f(x) = cos x + √3 sin x - 1, is an onto function, then the set A is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[-1, 2]
- 2[-√3, √3]
- 3[-3, 1]✓
- 4[-2, 2]
Correct answer
[-3, 1]
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