Dik:f(x)=3x-7 g(x)=1/4x+5maka fog(2) adalah…

Fog (x) = f(g(x))
artinya fungsi g dimasukan ke f

= 3 (1/4x+5) – 7
= 3/4 x + 15-7 = 3/4 x + 8

fog (x) = 3/4 x + 8
fog (2) = 3/4 (2) + 8 = 6/4 + 8 = 3/2 + 8 = 9 1/2