Question 490348
Im a little confused on this problem, even though this may look very easy 
Sketch xy=4 and its asymptotes. Give equations for the asymptotes.
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xy=4
y=4/x
As you can see from the graph below, the function has two asymptotes:
horizontal asymptote: y=0 or x-axis
vertical asymptote: x=0 or y-axis
..
{{{ graph( 300, 300, -10, 10, -10, 10,4/x) }}}