Question

Mohon bantuannya inisoalnya tentang invers fungsi.tolong di jawab ya yang no 2 dan 6...

Answer 1

1) f(x) = 5 - 4x
y = 5 - 4x
4x = 5 - y
x = 5/4 - (1/4)y = (-1/4)y + 5/4
f^-1(x) = (-1/4)x + 5/4

6) f(x) = ax + b
ax + b = y
ax = y - b
x = (1/a)(y - b)
f^-1(x) = (1/a)(x - b)