# How do you find the domain of the function #f(x)= x/(x^2+2x-3)#?

##### 1 Answer

Apr 10, 2015

Don't take even roots of negative numbers. -- No probhem there are no roots at all.

Don't try9 to divide by

OK, so when is it

Solve

These are the numbers we need to throw out of the domain. So tlhe domain is all real numbers except

(In interval notation: