LetFind the domain of . Give your answer as an interval. Please enter your response in interval notation. Refer to Formatting Tips below for detailed instructions on formatting your response.
You can replace x with any number and get an answer except -1, because the denominator becomes 0, and division by 0 is undefined.
So the domain is: {-∞ < x < -1} ∪ {-1 < x < ∞}
Find the domain of 
. Give your answer as an interval. 
