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August 20, 2014

August 20, 2014

Posted by **Sara** on Saturday, January 14, 2012 at 12:50pm.

f(x)= x^2+5x-7 / x-4

state domain, find vertical, horizontal and oblique asymptotes if any. I found the domain to be (-inf.,4)U(4, inf.) and vertical asymptote at x=4 am I right? can someone help me with the rest?

- precalculus -
**Reiny**, Saturday, January 14, 2012 at 5:26pmwhat about the oblique asymptote ?

divide out the right side (I used synthetic division)

f(x) = x + 9 + 29/(x-4)

so the oblique asymtote is

y = x+9

see:

http://www.wolframalpha.com/input/?i=%28x%5E2%2B5x-7%29%2F%28x-4%29

- precalculus -
**Sara**, Sunday, January 15, 2012 at 8:56amReiny:

Thanks for the websites - they have helped immensely.

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