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Solve (f+g)(-4) when f(x)=x+2 and g(x)=x^2-x
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Solve (f+g)(-4) when f(x)=x+2 and g(x)=x^2-x

User CarlosE
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1 Answer

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f(x) = x + 2
g(x) = x^2 - x

(f + g)(x) = x + 2 + x^2 - x = x^2 + 2

(f + g)(-4) = (-4)^2 + 2 = 16 + 2 = 18
User David Boike
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