Mathematics · Functions
For all real values of x, the range of the function f(x) = x2 + 2x + 42x2 + 4x + 9 is:
- 1[37, 12)✓
- 2(37, 12)
- 3[37, 89]
- 4[49, 89]
Correct answer
[37, 12)
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