Question

Dadas as funções
$f(x) = {2}^{3x - 4} \: \: e \: \: g(x) = {2}^{2x - 2}$
Se X ratifaz
$f(x) = g(x)$
Então
${2}^{x}$
É? ​

Answer 1

${2}^{3x - 4}={2}^{2x - 2}$

$3x-4=2x-2 \\ 3x-2x=4-2 \\ x=2$

${2}^{x} ={2}^{2}=4$