SOLUTION: What is a function?

Question 689023: What is a function?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

It is like a machine that has an and an , and the is somehow to the .
= .........is the classic way of writing a function
The most common name is "", but you can have other names like "" or whatever you want to name it.
Sometimes a function has , and you might just have:

but there is still:
an ... ()
a .... ()
and an ...... ()

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