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Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x))

Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x))
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Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x))

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User Mashet
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1 Answer

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\bf \begin{cases} f(x)=-4x+7\\ g(x)=10x-6 \end{cases}\qquad \qquad f(~~g(x)~~)=-4[g(x)]+7 \\\\\\ f(~~g(x)~~)=-4[10x-6]+7\implies f(~~g(x)~~)=-40x+24+7 \\\\\\ f(~~g(x)~~)=-40x+31
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User JonWillis
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