Question

Which of the following equations is equivalent to y=2^x?

y = log2x
x = log2y
y = logx2

Answer 1

Hello,

$y=2^{x}$
==>$log_{2}(y) =x*log_{2}(2)$
==>$log_{2}(y) =x*1$
==>$x=log_{2}(y)$

Answer B

Answer 2

Answer:

B, second part is X=20

Step-by-step explanation: