Which scenario describes periodic behavior?

A. The movement of a CD in a CD-player
B. The takeoff and landing of a jet plane
C. The flight of a football during a pass
D. Tossing a tennis ball up into the air

Please explain. Thank you!

Question

Which scenario describes periodic behavior?

A. The movement of a CD in a CD-player
B. The takeoff and landing of a jet plane
C. The flight of a football during a pass
D. Tossing a tennis ball up into the air

Please explain. Thank you!

kj4uts · Answer

I know a function that repeats itself after a specific period of time is called a Periodic Function.

kj4uts · Answer

I am just not sure if it would be A. The movement of a CD in a CD-player?