Question 910614
Given the function f(x)=4x-6 and g(x)=3x; find f[g(-3)]
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{{{g(x)=3x}}}


{{{g(-3)=3(-3)}}} Plug in x = -3


{{{g(-3)=-9}}}


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{{{f(x)=4x-6}}}


{{{f(g(-3))=4(g(-3))-6}}} Replace every x with g(-3)


{{{f(g(-3))=4(-9)-6}}} Replace g(-3) on the right side with -9


{{{f(g(-3))=-36-6}}}


{{{f(g(-3))=-42}}}