Last one tonight! for your iris!

a) 1200

b) +15

Step-by-step explanation:

The given equation is

The cost to get started is the initial cost(y-intercept) which is .

The change in total cost for each book printed is the slope of the line which is

The answers are:

For the first question, if there is no printed book, the variable x will be 0, so:

The cost to get started, meaning that there is not any printed book, is $1200

For the second question, to determine the change in the total cost for each printed book, let's assume that there is just one book printed, so:

So, the change for each printed book is $15(+) because:

Have a nice day!

linear pair postulates

i suppose it should be (y=2x-5)

step-by-step explanation: