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OpenStudy (anonymous):
let f(x)=7x+2 and g(x)=2x^2-x-1 whats f(3)+g(3)??
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OpenStudy (anonymous):
\[f(3)+g(3)=7(3)+2+2(3)^2-3-1=21+2+18-3-1=23+14=37\]
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