Question

Kak tolong dibantu ya untuk f invers (2)

Answer 1

Verified answer

Kelas 10 Matematika
Bab Fungsi Komposisi

^ = pangkat

1] f(x) = 3 + 4x
y = 3 + 4x
4x = y - 3
x = 1/4 . (y - 3)
f^-1 (x) = 1/4 . (x - 3)

2] f^-1 (2) = 1/4 . (2 - 3)
f^-1 (2) = 1/4 . (-1)
f^-1 (2) = -1/4