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HELP MEEEEEEEEE PLEASEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!

HELP MEEEEEEEEE PLEASEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!-example-1
User Zqudlyba
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1 Answer

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The maximum is at
x=-(280)/(2(-5))=\boxed{28}

When
x=28,
P(28)=-5(28)^2 +280(28)-3600=\boxed{320}.

User Amanite Laurine
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