Someone ! ,how would i be able to draw a bar diagram to represent the problem? let me know and how do i find the hours that jacobys drove in all and on monday and

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?