SOLUTION: 1. f(x)=3x and g(x)=4x-3, find f[g(5)] and g[f(5)].? please help.

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Question 390291: 1. f(x)=3x and g(x)=4x-3, find f[g(5)] and g[f(5)].?
please help.

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
f(x)=3x and g(x)=4x-3
f(g(x))=3(4x-3)
=12x-9
f(g(5))=60-9=51
.
g(f(5))=4(3*5)-3
=60-3
=57
.
Ed

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