Question

F(x)=3x+1, g(x)=4x-3, maka (fog)(2) adalah ​

Answer 1

Diketahui:

f(x) = 3x+1

g(x) = 4x-3

Ditanyakan:

(fog)(2)

Jawab:

(fog)(x) = f(g(x))

= 3(g(x))+1

= 3(4x-3)+1

(fog)(2) = 3(4(2)-3)+1

= 2(8-3)+1

= 2(5)+1

= 10+1

= 11

Mapel: Matematika

Kelas: 10

Materi: Komposisi Fungsi