Respuesta :

Happil

Answer:

[tex]f°g(x) = 14x +2[/tex]

Step-by-step explanation:

[tex]f°g(x) = f(g(x)) \\

f°g(x) = 7g(x) +9 \\ f°g(x) = 7(2x -1) +9 \\ f°g(x) = 14x -7 +9 \\ f°g(x) = 14x +2[/tex]