Respuesta :

sugarplum5430

Answer:

[tex]5x^{2} +5x[/tex]

Step-by-step explanation:

f(x) = 5x

g(x) = x+1

(f•g)(x)

f(x) • g(x)

plug in

5x •  x+1

5x(x+1)

distribute 5x

[tex]5x^{2} +5x[/tex]

hope this helps!