1

Label the function as y = f(x).

2

Express x as a function of y.

3

Find all values of y where f(y) is defined.

4

Eliminate the values of y that will make the function undefined.

5

Write the range.

1

Select the range you want to name, including the row or column labels.

2

Click Formulas > Create from Selection.

3

In the Create Names from Selection dialog box, select the checkbox (es) depending on the location of your row/column header. ...

4

Click OK.