Mathematics · Functions
The domain and range of a real-valued function f(x) = cos(x) - 3 are respectively:
- 1R\{0} and [-1, 1]
- 2R and [-1, 1]
- 3R\{0} and [-4, -2]
- 4R and [-4, -2]✓
Correct answer
R and [-4, -2]
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