Respuesta :

caylus
Hello,

[tex] y=2^{x} [/tex]
==>[tex] log_{2}(y) =x*log_{2}(2) [/tex]
==>[tex] log_{2}(y) =x*1[/tex]
==>[tex] x=log_{2}(y)[/tex]

Answer B


Answer:

B, second part is X=20

Step-by-step explanation: