Which statement is true? O The y-intercept of the function is (15,75).
O The rate of change is 15 calories burned per
minute.
O Alinear function to model the calories burned, y, as
a function of time in minutes, x, is y = 5x.
O An exponential function to model the calories
burned, y, as a function of time in minutes, x, is y =
5x.