PLEASE HELP ME PLEASE. NO LINKS OR YOU WILL BE REPORTED! Please answer it and show the work you did, or you can attach a photo if you work it out in your book. Please help, I will give Brainiest.

Consider u = {x|x is a negative real number}which is an empty set? o {x|x eu and x has a negative cube root}o {x|x eu and x has a negative square root}{x|x eu and x is equal to the product of a positive number and -1}{x|x eu and x is equal to the sum of one negative and one positive number?