Question

resolvendo a equaçào expoencial 2 elevado a x+1=8,obtemos para o x o valor:


a-5
b-1
c-2
d-4

Answer 1

$2 ^{x+1} =8 \\ 2^{x+1}=2^{3} \\ x+1=3 \\ x=3-1 \\ x=2$

respota C