invers dari f(x)=5-4X

Fungsi
• Invers

Hy (again) Serly ... :)

f(x) = y = 5 - 4x

y = 5 - 4x
4x = 5 - y
x = (5 - y)/4

f^-1 (x) = (5 - x)/4 ✔

y = 5 - 4x
4x = 5 - y
x = (5 - y) / 4

jadi 
f⁻¹(x) = (5 - x) / 4