Question

A community center charges an hourly rate plus a one-time registration fee for swimming lessons. The graph below shows the total amount charged for different numbers of hours of swimming lessons.

Part A: Write an equation that represents the relationship between x. the number of hours of swimming lessons, and y the total amount charged.

Part B: What is the y-intercept of the equation you wrote in Part A? Explain what it represents.

Answer 1

The equation that represents the relationship between x. the number of hours of swimming lessons, and y the total amount charged it will be given by y=25x+50
 The y-intercept of the equation is 50 means that the one-time registration fee for swimming lessons is $ 50