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If f(x)=x^2+2x-4 and g(x)=3x+1 find f(g(x))= [?]x^2+[?]x+[?]
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If f(x)=x^2+2x-4 and g(x)=3x+1 find f(g(x))= [?]x^2+[?]x+[?]

If f(x)=x^2+2x-4 and g(x)=3x+1 find f(g(x))= [?]x^2+[?]x+[?]-example-1
User Kartik Jajal
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1 Answer

1 vote

Answer:

9, 12, -1

Explanation:


f(g(x))=f(3x+1) \\ \\ =(3x+1)^2+2(3x+1)-4 \\ \\ =9x^2+6x+1+6x+2-4 \\ \\ =9x^2 + 12x -1

User Marmite Bomber
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5.0k points
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