Let f : R → R be a function defined as f(x) = ⌊x⌋, where ⌊x⌋ denotes the greatest integer less than or equal to x. Prove the inverse of f, f−1, does not exist. Note- these are not absolute value brackets.

Calculus: Early Transcendentals
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Let f : R → R be a function defined as f(x) = ⌊x⌋, where ⌊x⌋ denotes the greatest integer less than or equal to x. Prove the inverse of f, f−1, does not exist.
Note- these are not absolute value brackets.

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