The manager of extreme video games keeps track of the profits the company earned after releasing one of its latest games. during the first week, the game profits were $15,000. in the second week, the profits grew to $22,500. in the third week, profits held steady at $22,500, and in the fourth week, profits grew to $25,000. using x to represent the week and y to represent the profits earned, create a mapping diagram to represent this relation.