Question

2/3^x = 2, 25 funcao exponencial

Answer 1

(2/3)^x = 2,25
(2/3)^x = (2 + 1/4)
(2/3)^x = 2  1/4
(2/3)^x = 9/4
(2/3)^x = 1/(4/9)
(2/3)^x = (4/9)^-1
(2/3)^x = (2²/3²)^-1
(2/3)^x = [(2/3)²]-¹
(2/3)^x = (2/3)-²
x = -2

Espero ter ajudado.