F(x)=8x+9 tentukan fungsi invers f-1(x)

By Admin ReiPosted on December 6, 2022

F(x)=8x+9 tentukan fungsi invers f-1(x)

Jawaban:

f(x) = 8x + 9

f^-1(x) = x – 9 / 8

Jawaban:

$f(x) = 8x + 9 \ {f}^{ - 1} (x) →f(x) = y \ 8x + 9 = y \ 8x = y - 9 \ x = frac{y - 9}{8} \ {f}^{ - 1} (x) = frac{x - 9}{8}$