Question

Prove that a strictly decreasing function is always one-one

13 Feb 2018
Answer :
Word Count : 186

In real analysis, to prove that a strictly decreasing function is always one-to-one (injective), you can use the definition of a strictly decreasing function and the definition of a one-to-one function. A function \(f: A \to B\) is strictly decreasing if, for all \(x, y \in A\) with \(x < y\), we have \(f(x) > f(y)\). To prove that a strictly decreasing function

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