WeBWorK using host: https://math-webwork3.unl.edu, format: simple seed: 123567890

Decide if the following graph represents a periodic function.

A. Yes

B. No

If the function is periodic, determine the period, midline, and amplitude (if possible). If the function has no well-defined period, midline, or amplitude, enter "none".
The period is .
The midline is .
The amplitude is .