defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Relations and Functions Operations on Functions
Let f : R → R be given by f(x) = [x]2 + [x + 1] - 3, where [x] denotes the greatest integer less than or equal to x. Then, f(x), is
1
many-one and onto
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many-one and into
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one-one and into
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one-one and onto