I need help with this entire problem, but the domain has me stumped. There are three answers separated by two U symbols. I don't know how to solve this and all of the tutors get it wrong, please help thank you

uppose that the functions f and g are defined as follows. f (x ) = X g (x) 4 x- 1 x+7 ind -. Then, give its domain using an interval or union of interv g simplify your answers. ( # ) ( ) - 0 Domain of