An object attached to a spring oscillates around a position and is represented by the function y=2 cos(x-0.02) , with time in x seconds. What is the maximum height of the object in inches, and how many times does the maximum occur on the interval 0 smaller than x smaller than 20 ? 4 times, 2 inches 3 times, 8 inches 4 times, 8 inches 3 times, 2 inches