if the graph of your function intercepts the y-axis then x = 0.
Normally you have 2 intercepts (because you have 2 axes)
2. With your equation
you easily can see that the graph passes through the origin, that means the x-axis and the y-axis are intercepted simultaneously in one point.
3. Be aware that the graph of your function has the x-axis as asymptote. ( )So maybe (depending on the contents of your math lessons) the "improper" point at the left end of the x-axis is called a x-axis intercept too.