A function is a relation between two sets defined in such a way that for each element in the first set, the value that corresponds to it in the second set is unique. Let f be a function defined from the set A into set B. Then for each x Ïµ A, the symbol f (x) denotes the unique value in the set B that corresponds to x. It is called the image of x under f. Therefore, a relation f from A into B is a function, if and only if for, each xÏµ A and y Ïµ A; if x = y then f (x) = f (y). The set A is called the domain of the function f, and it is the set in which the function is defined. For example, consider the relation f from R into R defined by f (x) = x + 2 for each xÏµ A. This is a function whose domain is R, as for each real number x and y, x = y implies f (x) = x + 2 = y + 2 = f (y).
Hairspray is a 1988 American romantic musical comedy film written and directed by John Waters, and starring Ricki Lake, Divine, Debbie Harry, Sonny Bono, Jerry Stiller, Leslie Ann Powers, Colleen Fitzpatrick, and Michael St. Gerard.
Special Features Get to Know the Cast of Hairspray Live! With theatre veterans and newcomers welcoming the â60s this fall on NBC, we put together everything you need to know about the cast for the live broadcast musical. As is now becoming tradition, NBC will air a live musical television event this December. Hairspray Live! is set to hit the air December 7 at 8 PM ET. The 2002 premiere was a Tony-winning success on Broadway and prompted a film version of the movie musical in 2007 (starring John Travolta, Nikki Blonsky, Christopher Walken, Michelle Pfeiffer, Queen Latifah, Zac Efron, Amanda Bynes, Brittany Snow and more).