Keisha says that all functions are relations but not all relations are functions. kevin says that all relations are functions but not all functions are relations. who is correct and why?

Question

Mathematics

Claire Newman

2 October, 16:33

Keisha says that all functions are relations but not all relations are functions. kevin says that all relations are functions but not all functions are relations. who is correct and why?

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Kareem Shelton · Answer 1

Keisha is correct, because as per the definition A function is a special relationship where each input has a single output.

A function is a special relation. In other words, a relation if and only if it has a specific characteristic where each input has a single output, then it is called a Function.

All functions are relations but not all relations are functions.