A function represents the relationship of two
variables in which one variable depends on, or
*is a function* of the other variable.

In the case of a simple graph ofx and
y values, the value of y depends on the value of x, or is a
*function* of x; that means tha y =
f(x) .

Here we review a number of different forms of*f(x)* and what it means to evaluate and plot the limit of
*f(x)*.

In the case of a simple graph of

Here we review a number of different forms of

Functions and limits

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