Not every relation is a function. But every function is a relation. Function is just a part of relation.
The cubic function.
Range
A formula or graph are two ways to describe a math function. How a math function is described depends on the domain of the function or the complexity of the function.
The Mandelbrot graph is generated iteratively and so is a function of a function of a function ... and in that sense it is a composite function.
To allow workers to collectively mobilize, assume unity in bargaining, and preserve the integrity of a trade.
American federation of Labor
Abraham Lincoln
Communism
Pennsylvania.
the soviet unoin
Didn't
Confederate
It was in 1920's.
Arctic Ocean
no one knows
you can find them on fridays in unoin cave