(the length of )?
Use the Pythagorean Theorem to find the length of
across the -axis to form . What are the coordinates ? Describe a function, , that would map the coordinates of to .
When describing a function for a transformation, look at one point and its image and determine what changes happen to the
-coordinate and the -coordinate.
Use the eTool below to answer the parts of the problem.
Click the link at right for the full version of the eTool: 8-49 HW eTool