123abc17
123abc17
05-05-2018
Mathematics
contestada
Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x))
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jdoe0001
jdoe0001
05-05-2018
[tex]\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[/tex]
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