An audio books club charges an initial joining fee of $15.00. The cost per audio book is $12.00. The graph shows the cost of belonging to the club as a function of audio books purchased. How will the graph change if the cost per audio book goes up by $1.00?

An audio books club charges an initial joining fee of 1500 The cost per audio book is 1200 The graph shows the cost of belonging to the club as a function of au class=