Respuesta :

Given,

[tex]f(x) = 3 - x[/tex]

and

[tex]g(x) = -2x[/tex]

Now,

[tex]g(2) = - 2(2) = - 4[/tex]

[tex]f(g(2)) = 3 - ( - 4) = 3 + 4 = 7[/tex]