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If r(x)=120+18x-3x^2 what is r(2)

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r(x)=120+18x-3x^2 (replace x with 2)

r(2)=120+18(2)-3(2)^2

r(2)=120+18(2)-3(4)

r(2)=120+36-12

r(2)=144
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User Olivier Tabone
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