Question

dada a função f (x)= log 2 (x+1) determine f (7)​

Answer 1

Resposta:

f(x)=log₂(x+1)

f(7) = f(x) => x=7

f(7)=log₂(7+1)

f(7)=log₂8

$2^{f(7)}=8\\2^{f(7)}=2^{3}\\\\f(7)=3$