Question

Fungsi invers
mohon bantuannya

Answer 1

Y = 4^(3x -7)
3x - 7 = ⁴log y
3x = (⁴log y) + 7
x = {(⁴log y) + 7} / 3
k(x) = {(⁴log x) + 7} /3
k(t) = 2
2 = {(⁴log t) + 7} / 3
2×3 = (⁴log t) + 7
6 = (⁴log t) + 7
6 - 7 = ⁴log t
-1 = ⁴log t
t = 4^-1
t = (2²)^-2
t = 2^-2