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F(x) = 7x + 7, g(x) = 6x2 Find (fg)(x)
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F(x) = 7x + 7, g(x) = 6x2

Find (fg)(x)

User Patrik Alexits
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2 Answers

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the answer is 42x3 + 42x2
User Nick Duncan
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f(x) = 7x + 7; g(x) = 6x²

(fg)(x) = f(x) · g(x)

(fg)(x) = (7x + 7)(6x²) = 7x · 6x² + 7 · 6x² = 42x³ + 42x²
User Jcady
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