What is an equation for the translation y = 4/x that has the given asymptotes. x = 4, y = -3?

2 Answers
Jan 15, 2018

#y=4/(x-4)-3#

Explanation:

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If you subtract a constant from your #x# in the original function you shift the graph in the positive direction by that number of units.

And if you subtract a constant from your #y# in the original function you move its graph down by that number of units.

Your original function was #y=4/x#. When you solve for the root of the denominator, you find the vertical asymptote. In this case, it is #x=0#, i.e. the #y#-axis.

And when #x# goes to #oo#, #y=4/oo=0# which means your horizontal asymptote is #y=0#, i.e. the #x#-axis. Here is the graph:

enter image source here

Now, you can see the transformation of #y=4/x# below. As is evident, it has shifted #4# units to the right and #3# units down with vertical asymptote at #x=4# and horizontal asymptote at #y=-3#.

enter image source here

Jan 15, 2018

translation of 4 units right
translation of 3 units down
#y=4/(x-4)-3#

Explanation:

translation of 4 units right
translation of 3 units down

#y=f(x)->y=f(x-4)-3#
#y=4/(x-4)-3#

I hope it helps :)