Mathematics · Relations and Functions
The set of all real values of x for which the function f(x) = √|x| - 2|x| - 3 is well-defined is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(-∞, -3) ∪ [-2, 2] ∪ (3, ∞)
- 2ℝ - [-3, 3]
- 3(-3, 3)✓
- 4(-3, -2] ∪ (2, 3]
Correct answer
(-3, 3)
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