Respuesta :

♪Answer :

»f(x) = 9(9 + x)(10)

subtitute x = 2 for f(x).

»f(5) = 9(9 + 5)(10)

»f(5) = 9(14)(10)

»f(5) = 1,260

Answer:

1260

Step-by-step explanation:

f(5) = 9(9 + 5)(10)

= 9(14)(10)

= 126(10)

= 1260