Assignment:
An aerobics instructor says she drinks one cup (8 ounces) of water before she starts her classes and then she drinks 10 ounces every 10 minutes.
a. How much water does she drink when she teaches 2 one-hour classes in a row?
b. Let W represent ounces of water and N the number of 10-minute intervals the aerobics instructor spends exercising, and write an equation to find the number of fluid ounces the instructor consumes during exercise.
c. Explain the significance of each of the numbers that appears in the equation and sketch the graph of the function.
Provide complete and step by step solution for the question and show calculations and use formulas.