An explicit definition of a function f gives an algorithmic procedure, usually given by an algebraic formula, that produces the output (dependent variable) of f for a given input (independent variable); for example, f(x) = x2.
Golden Retrievers are 1 foot 9 inches tall to 2 feet tall. You can say they are of medium size. They weigh 55 to 75 pounds and live for 10 to 12 years. I hope this will help you. Regards, Perrie Jinnie Pet Grooming Tips
A Golden Retriever is a Golden Retriever and should meet the breed standard. The only impact coat color should have on that is to be sure the color is not outside of breed standard either. If someone is trying to charge higher prices or call them rare they are only motivated by money.