Mark sits on a swing that is 2.5 feet off the ground. Swinging as hard as he can, the swing reaches a height of 6 feet.
Assuming Mark holds a steady pace, the height of the swing could be represented by a cosine curve.
If Mark makes a full swing forward and backward in 3 seconds, which graph below could represent the height of the swing, in
feet, for any time, t?
O