Emily gets on a ferris wheel at its lowest point which is 10 feet above the ground. she notices that she is 50 feet above the ground at her highest point. it takes emily 40 seconds to make one revolution. answer all questions: a. what is the period of the function? 3 pts b. what is the amplitude of the function? 3 pts c. what is the midline of the function? 3 pts d. what is the equation that models the sinusoidal function? 10 points (2 pts for correct sign, correct trig function, correct a, correct b, correct c)