Pls help ASAP Explain why this mapping is or is not a function.

A. This is a function because every input maps to only one output

B. This is a function because every output maps only the input

C. This is not a function because more than on input maps to an output

D. This is not a function because more than one output maps the input

Pls help ASAP Explain why this mapping is or is not a function A This is a function because every input maps to only one output B This is a function because eve class=