Period of a periodic function: explorative model
Draw a periodic function given a period
When a function duplicates its shape repeatedly along its domain, the function is said to be periodic, i.e.,
First, choose a value of the period p. The function would repeat every length p.
Push the "play" button and move the orange point. You will draw a periodic function of period p.
Push "restart" to begin again (CONTROL+F erases the graphic view)