A **function** is a rule for how two variables relate. For each value of x (the domain), there is only one value of y (the range). For example, if y=3x, whatever x is, y must be x multiplied by 3.

A **function table** shows the values for each pair of variables as the result of the particular function.

Complete the function table for the given function.

The first *x*-value in the table is 0. Evaluate *f*(*x*) = 3*x* for *x* = 0.

When *x* = 0, *f*(*x*) = 0. Complete the first row of the table.

Next, evaluate *f*(*x*) = 3*x* for *x* = 1.

When

*x* = 1,

*f*(

*x*) = 3. Complete the second row of the table.

Complete the rest of the table the same way.