Answer:
The period of the function is [tex]10[/tex]
Step-by-step explanation:
The graph completes one cycle in the interval [tex][-10,0][/tex].
The length of this interval is [tex]|0--10|=10[/tex].
The graph completes another cycle within the interval [tex][0,10][/tex].
The length of this interval too is [tex]|10-0|=10[/tex].
This means that after every 10 units, the graph repeats itself. Therefore the period is 10.
The graph is a sine function because it is symmetric about the origin.
Its equation is [tex]y=\frac{\pi x}{5}[/tex].
