Mathematics · Functions and Relations
If a function f : [2, +∞) → A defined by f(x) = x2 - 4x + 5 is one-one and onto, then the set A is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1, +∞)
- 2[1, +∞)✓
- 3(0, ∞)
- 4(-∞, 1)
Correct answer
[1, +∞)
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