Solve the problem. Write a function y = f(a) for simple harmonic motion whose graph has a maximum at -, 5 and next consecutive minimum at (7, -4). Select one: O a. y =5 - 9cos O b. y = 0.5 - 4.5sin t O c.y = -4+9cos 1 / CO t O d. y = 0.5 + 4.5sin 1/ CO t