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Answer:

Step-by-step explanation:

A function is a mathematical device that converts one value to another in a known way. We can think of it as a machine. You feed the machine an input, it does some calculations on it, and then gives you back another value - the result of the calculations. The set of allowable inputs to a given function is called the domain of the function

Answer:

Heres some sentences.

Step-by-step explanation:

A function works like a machine. Numbers are put into the machine one at a time, and then the rule performs the operation(s) on each input to determine each output.