# What is the asymptote of y=2^x?

$y = 0$ is the asymptote

#### Explanation:

the graph of $y = {2}^{x}$

Notice that no matter how far $x$ approaches $- \infty$,you will see that $y$ approaches zero. So, the approached line is $y = 0$.

graph{(y-2^x)=0[-30,4,-3,6]}

Have a nice day ! from the Philippines...