Brian is a software salesman. Let y represent his total pay (in dollars). Let x represent the number of copies of “Math is Fun” he sells. Suppose that x and y are related by the equation y=2300+110x. Answer the questions below.

Note that a change can be an increase or a decrease.
For an increase, use a positive number. For a decrease, use a negative number.

1. What is the change in Brian’s total pay for each copy of “Math is fun” he sells?
$__

2. What is Brian’s total pay if he doesn’t sell any copies of “Math is fun”?
$___