Prove that the greatest integer function f: R R given by f(x) = [x] is...
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Prove that the greatest integer function f: R → R given by f(x) = [x] is neither one-one nor onto, where [x] denotes the greatest integer less than or equal tox. Prove that the greatest integer function f: R → R given by f(x) = [x] is neither one-one nor onto, where [x] denotes the greatest integer less than or equal tox.
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