Tolong lagi kak... f(x) = 2x + 5 f(3) = ?

Materi : Fungsi

f(x) = 2x + 5
f(3) = 2(3) + 5
f(3) = 6 + 5
f(3) = 11

Semoga Membantu ^_^

f(x) = 2x + 5

maka
f(3) = 2(3) +5
= 11

(MELALUI SUBSTITUSI NILAI X)