28. Using the graph below, answer the questions that follow. Periodic? (Y N (Circle one3 31. On a certain day, the depth 2 water was 11m. Assume Sinusoidal? Y N (Circle one) a. Graph the dep Period: 6 4 Equation of the Axis: 0.5 Amplitude: 2.5 ab 29. a) Determine the equation of the SINE function based on the graph below- where H represents b = the height, in cm, and t represents the time, in seconds. Show your work next to the graph. [A3] EQUATION: a - Don Quixote's Height : we the Ground 12 b) Use the equation to find the height (rounded to one decimal place) after 44 seconds. [A1] Height (m) O N 9 18 27 16 45 54 63 72 Time Is1 30 Sketch one of the oh f ( x ) : -2cos (3(x+150)0)-4. Then state the amplitude