Question 251441
I would suggest submitting one problem at a time.
I, for one, will not tackle all of them.
What makes it urgent on  a Saturday?
When you submit so many problems at once, it tells me you have not got a clue.
I would have to go into too much detail to be able to help you.
http://www.purplemath.com/modules/fcns2.htm
http://www.analyzemath.com/DomainRange/DomainRange.html
http://mathforum.org/library/drmath/sets/select/dm_domain_range.html
http://www.freemathhelp.com/domain-range.html