Respuesta :

Answer:

[tex]8\pi[/tex]

Step-by-step explanation:

The graph is at their peaks at -6 pi and 2 pi. So the period is

[tex] | - 6| = 6[/tex]

and

[tex] |2| = 2[/tex]

[tex]6 + 2 = 8[/tex]

So the period is 8 pi.