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Select the correct answer.Consider functions f and g.f(x) = x^2+ 7xg(t) = 3x- 1What is the value of (f•g)(x)?A. 9x^2 + 15x – 6B. 3x^2 + 7x - 1C. 3x^2 + 21x + 1D.9x^2 + 21x – 1

Select the correct answer.Consider functions f and g.f(x) = x^2+ 7xg(t) = 3x- 1What is the value of (f•g)(x)?A. 9x^2 + 15x – 6B. 3x^2 + 7x - 1C. 3x^2 + 21x + 1D.9x^2 + 21x – 1
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Select the correct answer.Consider functions f and g.f(x) = x^2+ 7xg(t) = 3x- 1What is the value of (f•g)(x)?A. 9x^2 + 15x – 6B. 3x^2 + 7x - 1C. 3x^2 + 21x + 1D.9x^2 + 21x – 1

User SamJackSon
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\begin{gathered} f(x)=x^2+7x \\ g(x)=3x-1 \\ (f* g)(x)=f(x)* g(x) \\ (f* g)(x)=(x^2+7x)(3x-1) \\ (f* g)(x)=3x^3 \end{gathered}

User VITs
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