Mathematics · Functions
The range of the function f(x) = 11 − 2cos(x) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[-1/3, 1]
- 2(−∞, −1] ∪ [1/3, ∞)✓
- 3[-1, 1/3]
- 4[1/3, 1]
Correct answer
(−∞, −1] ∪ [1/3, ∞)
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