Domain And Range Examples And Answers Pdf
The range of a function f consists of all values f x it assumes when x ranges over its domain.
Domain and range examples and answers pdf. B f x x2. Example 4 find the ranges of the following functions. 1 1 4 range of a function for a function f.
For example y x has domain. All real x 0. The range of f x 2 x 1 is 2.
Sometimes it isn t possible to list all the values that x or y can be because the graph. Examples of domains and ranges from graphs important notes about domains and ranges from graphs. The domain is r but the range is given by 1 1.
The domain is once again r but the range is all positive numbers as x2 0 i e. All numbers and the range is also r. Before we look at some examples lets talk for a little bit about range.
This is not surprisingly called the range of f x. This is sometimes referred to as the natural domain of the function. A f x x.
C g x sin x. Remember that domain refers to the x values that are represented in a problem and range refers to the y values that are represented in a problem. Range is a little trickier to nd than domain.