### Home > A2C > Chapter 6 > Lesson 6.1.1 > Problem 6-7

6-7.

Graph* *

What is the equation of the undoing function?

Rewrite the equation by undoing the operations on

*x*, that is solve for*x*.Now use your result to write the inverse function.

Does this graph, including both lines, have a line of symmetry? If so, what is the equation of the line of symmetry?

The line of symmetry is

.

Use the eTool below to view the graphs of the lines in this problem.

Click the link at right for the full version of the eTool: *A2C 6-7 HW eTool*