![]() ![]() For students between the ages of 11 and 14. Now that youve identified the smallest and largest numbers in the set, all you have to do is subtract them from each other. When the function is not named and is represented by an expression E, the value of the function at, say, x = 4 may be denoted by E| x=4. Learn how to calculate and interpret the mean, median, mode and range to find averages with this BBC Bitesize Maths article. Subtract the smallest number in your data set from the largest number. The concept of a function was formalized at the end of the 19th century in terms of set theory, and this greatly enlarged the domains of application of the concept.Ī function is most often denoted by letters such as f, g and h, and the value of a function f at an element x of its domain is denoted by f( x) the numerical value resulting from the function evaluation at a particular input value is denoted by replacing x with this value for example, the value of f at x = 4 is denoted by f(4). Historically, the concept was elaborated with the infinitesimal calculus at the end of the 17th century, and, until the 19th century, the functions that were considered were differentiable (that is, they had a high degree of regularity). The range of a set of numbers is the largest value, subtract. ![]() If the range is small, the data is closer together or more consistent. For example, the position of a planet is a function of time. The bigger the range, the more spread out the data. įunctions were originally the idealization of how a varying quantity depends on another quantity. For example, the position of a planet is a function of time. Functions were originally the idealization of how a varying quantity depends on another quantity. The set X is called the domain of the function and the set Y is called the codomain of the function. The set X is called the domain of the function and the set Y is called the codomain of the function. Improve your math knowledge with free questions in 'Find the range' and thousands of other math skills. In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. ![]() In mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. ![]()
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