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Let $f(x) = 4x - 7$, $g(x) = (x + 1)^2$, and $s(x) = f(x) + g(x)$. What is $s(3)$?

 Feb 20, 2021
 #1
avatar+944 
+1

\(s(x) = (4x-7) + (x+1)^2 = x^2 +6x - 6\)

 

\(s(3) = 3^2 + 6(3) - 6 = \boxed{21}\)

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 Feb 20, 2021
 #2
avatar+170 
+2

Thanks Cubey

QuestionMachine  Feb 20, 2021

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