Fungsi f(x) =2x-3 dan (fog) (x) =2x2-6x+5 kaka nilai g(-1)=

(fog) (x) =2x^2-6x+5
2g(x) - 3 = 2x^2-6x+5
2g(x)=2x^2-6x+5+3
2g(x)=2x^2-6x+8
g(x)=(2x^2-6x+8)/2
g(x)= x^2 - 3x + 4

nilai g(-1) = (-1)^2 - 3(-1) + 4 = 1 + 3 + 4 = 8