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I need help with this practice from my ACT prep guide onlineI’m having trouble solving it It asks to graph, if you can, use Desmos

I Need Help With This Practice From My ACT Prep Guide OnlineIm Having Trouble Solving It It Asks To Graph If You Can Use Desmos class=

Answer :

Given:

[tex]f(x)=-4\cos (\frac{2}{3}x+\frac{\pi}{3})-3[/tex]

Graph of function is cos from.

Period of the function is:

Check for period inter.

[tex]=3\pi[/tex]

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