

MCQOPTIONS
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1. |
If f(x) = x2 + 4 then range of f(x) is given by |
A. | [4, ∞) |
B. | (-∞, ∞) – {0} |
C. | (0, ∞) |
D. | None of the mentioned |
Answer» B. (-∞, ∞) – {0} | |