KEAM 2023 Math Solved Paper

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Question : 1 of 120

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Let f:R→R be a function defined by f(x)=x2+9. The range of f is

R
(−∞,−9]∪[9,∞)
[9,∞)
[3,∞)
[3,∞)∪(−∞,−3]

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