Invers dari fungsi g (x)= x+4/2x+1 +5

Kelas 10 Matematika
Bab Fungsi Komposisi

g(x) = (ax + b)/(cx + d)
g^-1 = (-dx + b)/(cx - a)

g(x) = ((x + 4)/(2x + 1)) + 5
g(x) = (x + 4)/(2x + 1) + 5(2x + 1)/(2x + 1)
g(x) = (x + 4 + 10x + 5)/(2x + 1)
g(x) = (11x + 9)/(2x + 1)
g^-1 (x) = (-x + 9)/(2x - 1)