Tentukan f(x)=3x+7 dan g(x)=√x+15. Nilai (fog)(1) sama dengan..

f(x)=3x+7 dan g(x)=√x+15

(fog) (x) = f(g(x))
(fog) (x) = 3(√x+15) + 7
(fog) (x) = 3√x + 45 + 7
(fog) (x) = 3√x + 52
(fog) (1) = 3√1 + 52
(fog) (1) = 3.1 + 52
(fog) (1) = 55

Semoga membantu ^-^