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
The AKC's Golden Retriever Standard states that males should weigh 65-75 pounds and stand 23-24 inches tall when measured at the top of the withers (shoulders). Females should weigh 55-65 pounds and stand 21.5-22.5 inches tall.