![]() ![]() For example, the function f(x) = x^2 - 1 has a domain of all real numbers, but the range is the set of all non-negative real numbers, since there is no real number that can be squared to produce a negative number. The range can be empty: If there are no output values that the function can produce, then the range is empty.The range is a subset of the codomain, meaning that every value in the range is also in the codomain. The range is a subset of the codomain: The codomain of a function is the set of all possible output values.The range of a function has several important properties that are useful for analyzing the behavior of the function and the properties of a dataset. The domain of this function is all real numbers, and the range is the set of all non-negative real numbers since any non-negative real number can be obtained by squaring a real number. For example, consider the function f(x) = x^2. Therefore, the age range of participants is 39.This means that the range of f is the set of all y values in B that can be obtained by plugging in an x value from A into the function f(x). Let us arrange it in order from the lowest to the highest. What is the age range of the participants? Solution: From the data given in the table, let's arrange it in order from lowest to highest.Įxample 3: Galaxy art gallery conducted a painting competition, where around 10 people participated. By using the range formula, find the range difference among these stock prices that will help Mona in investing. ![]() Therefore, the range of her test scores is 30.Įxample 2: Mona is looking at investing in some stocks, listed below is a list of four companies along with their stock price. ![]() Using the range formula, let us put the values, Calculate the range of her test scores by using the range formula.įirst, let us arrange the given set in order from the lowest to the highest value. The range formula can also be used if the numbers in the data set are either positive or negative.īook a Free Trial Class Examples Using Range FormulaĮxample 1: Emma took 5 tests in chemistry in one semester. These steps can be followed for any type of number such as whole numbers or fractions.
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