diket :f(x)=4x-1 dan g(x)=3x+4 (fog)(p)=51 Ditanya: nilai p

Bab Fungsi Komposisi
Matematika SMA Kelas X

(fog) (x) = f(3x + 4)
(fog) (x) = 4(3x + 4) - 1
(fog) (x) = 12x + 16 - 1
(fog) (p) = 12p + 15
12p + 15 = 51
12p = 51 - 15
p = 36/12
p = 3

p <<=>> 3

semoga bermanfaat