algebra functions

can someone please check my answer
For each problem, construct two composite functions, . Evaluate each composite function for x=2

f(x)=3x g(x)=1/x
f(g)*(x)=3x(1)/x
x=2
3x(1)/x=6
g(f)*(x)=(3x)=2*3x=6
x=2
3*(2)=6*6=36

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