176k views
1 vote
Let f(x)=-4x+7 and g(x)=10x-6. Find f(g(x))

User Mashet
by
7.3k points

1 Answer

3 votes

\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
User JonWillis
by
6.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.