3. Sam is riding his bike home from school one day and picks up a nail in his tire. The nail hits the ground every 3 seconds and reaches a maximum height of 25 cm a) What is the sinusoidal equation represents Mathman's motion?

b) Find max, min, midline, amplitude and period?

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?