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domain and range of a graph , The domain of a graph is the set of all x-values ​​or inputs of a function and the range is the set of all y-values ​​or outputs of a function. In most cases, the domain and range can be determined by looking at the graph. The value set (or image set) of a function is the set of all possible function values ​​that can result if all numbers from the definition set are put into the function.

## domain and range of a graph examples

The domain of a graph is the set of all possible inputs to the graph, while the range is the set of points reached by the function. For example, in the graph below, the domain would be all real numbers, while the range would be all points on or above the graph. To find the domain and range of a function, one must first determine what inputs and outputs are possible given the restrictions of the function.

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## how to find domain on a graph

To find the domain of a function graphed on a coordinate plane, one must first identify the points at which the function is undefined. The sources of undefined operations are typically points where the function produces a divide-by-zero error, square-roots of negative numbers, or logarithms of non-positive numbers. Once these points have been identified, they can be excluded from the domain.

## domain and range of a function

The domain of a function is the set of all input values for which the function produces a result. The range of a function is the set of all output values that the function can produce. In most cases, the domain and range of a quadratic function are both real numbers. However, in some cases the domain may be restricted to only certain values, such as positive numbers.

## domain and range examples and answers

When it comes to functions, domain and range are terms that refer to the set of input values and output values, respectively. In other words, the domain is the set of all x-values that a function can take, while the range is the set of all y-values that the function can produce. Finding the domain and range of a function can be as simple as looking at a graph or table of values, or it may require more algebraic manipulations. Either way, once you know how to identify the domain and range of a function, you'll be able to more fully understand how that function behaves.

## interval notation domain and range

The interval notation is a way of writing down subsets of the real numbers. It is often used in mathematics and computer science. The interval notation consists of two numbers, separated by a comma, which denote the lower and upper limits of the subset. The subset can either be open, meaning that the limit is not included in the subset, or closed, meaning that the limit is included in the subset.

## domain and range of a graph parabola

Based on the information in Example 1, the domain of a graph parabola refers to the set of all x-values ​​for which the graph is defined. The range of values ​​W of a graph parabola includes all numbers that can be obtained as a function value if an element of the definition set is used for the independent variable.

## domain of a graph example

A domain is not part of a function f if f is only defined as a graph. For example in set theory it sometimes is.