Respuesta :

[tex]\begin{gathered} f(x)=2x+1 \\ g(x)=3-x \end{gathered}[/tex]

Composition of functions:

g(f(x)), write g(x) and substitute the x by f(x):

[tex]\begin{gathered} g(f(x))=3-f(x) \\ \\ g(f(x))=3-(2x+1) \\ g(f(x))=3-2x+1 \\ g(f(x))=-2x+4 \end{gathered}[/tex]Then, g(f(x)) = -2x +4

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