One note - the 'vertical stretch' coefficient should be applied outside the parentheses. Putting a coeffient inside the parentheses will also create a vertical stretch, but it will also have other [possibly undesirable] effects such as additional horizontal translation and horizontal stretching/compression (it depends on how you look at it).

## Comments

One note - the 'vertical stretch' coefficient should be applied outside the parentheses. Putting a coeffient inside the parentheses will also create a vertical stretch, but it will also have other [possibly undesirable] effects such as additional horizontal translation and horizontal stretching/compression (it depends on how you look at it).

You're right - I wanted to mention the information about the coefficient's effect on the graph, but it was not worded well. I'll clarify that.