# What are the asymptote(s) of # f(x) = (3x) / (x+4)#?

##### 1 Answer

Nov 11, 2015

#### Explanation:

When

#(3x)/(x+4) = 3/(1+4/x) -> 3# as#x->oo#

So

graph{(3x - xy - 4y)(x+4+y*0.001)(y-3-x*0.001) = 0 [-25.25, 14.75, -7.2, 12.8]}