Air - Conditioning Repairs. Richard's Heating and Cooling in Prescott, Arizona, charges $55 per hour plus a $30 service charge. Let x denote the number of hours required for a job and let y denote the total cost to the customer.
14.10 Air-Conditioning Repairs. Y=30 + 55x
a.) Find the y-intercept and slope of the specified linear equation.
b.) Explain what the y-intercept and slope represent in terms of the graph of the equation
c.) Explain what the y-intercept and slope represent in terms relating to the application.