Assume the local fitness club charges a membership fee of $45 per month for unlimited use of the exercise equipment plus an additional fee of $12 for every instructor-led exercise class you attend. 1. Express the monthly cost of belonging to the fitness club as a cost equation. 2. What is your expected cost for a month in which you attend ten instructor-led classes? 3. If your attendance doubles to 20 classes per month, will your total cost for the month double? Explain. 1. Express the monthly cost of belonging to the fitness club as a cost equation. Choose the cost equation that expresses the monthly cost of belonging to the fitness club. 2. What is your expected cost for a month in which you attend ten instructor-led classes? If you attend ten classes in a month, your total cost for the month will be $ If your attendance doubles to 20 classes per month, your total cost for the month double. The portion of the bill doubles from .but the portion of the bill stays constant. If you attend 20 classes in a month, your total cost for the month will be $ L