Question

Restriction for u^2-2u/u^2-4

Answer 1

@legomyego180

Answer 2

i think its -+ 2

Answer 3

Thats correct

Answer 4

You can always find where it will be undefined by setting the denominator equal to zero then solving for x. Those values of x will be where your function does not exist. It's important to have a good understanding on this if you plan on taking upper level math classes.