Dik f (x) =2x-1dan (fog)(x)=-2x+3 ditanyakan (gof)(5)

[tex]Komposisi \:Fungsi[/tex]

f(x) = 2x - 1
f o g (x) = f (g (x) ) = 2x + 3
artinya
2g(x) - 1 = 2x + 3
2g(x) = 2x + 4
g(x) = x + 2

gof (5) = g(f(5))
= f(5) + 2
= 2(5) - 1 + 2
= 11

semoga membantu