Determine its range and domain. Solution: This is a quadratic graph, so it stretches horizontally from negative infinity to positive infinity. That means that the domain is all real numbers of x. We also see that the graph extends vertically from 5 to positive infinity. Therefore, the range is all real numbers of y and y≥5 y ≥ 5.

Another way to identify the domain and range of functions is by using graphs. Because the domain refers to the set of possible input values, the domain of a graph consists of all the input values shown on the x-axis. The range is the set of possible output values, which are shown on the y-axis.
Determining the Domain and Range Modeled by a Linear Function. To determine the domain of a given situation, identify all possible x -values, or values of the independent variable. To determine the range of a given situation, identify all possible y -values, or values of the dependent variable. Example 1. A clown at a birthday party can blow up
The range of a function is the set of values that can be produced by a function, while the domain of a function is the set of values that can be used as inputs to the function. Those are the
The domain is the set of numbers that can be put into a function, and the range is the set of values that come out of the function. So on a standard coordinate grid, the x values are the domain, and the y values are the range. The way I remember it is that the word "domain" contains the word "in".
A function of two variables z = f(x, y) maps each ordered pair (x, y) in a subset D of the real plane R2 to a unique real number z. The set D is called the domain of the function. The range of f is the set of all real numbers z that has at least one ordered pair (x, y) ∈ D such that f(x, y) = z as shown in Figure 14.1.1.
In mathematics, a codomain or set of destination of a function is a set into which all of the output of the function is constrained to fall. It is the set Y in the notation f: X → Y. The term range is sometimes ambiguously used to refer to either the codomain or the image of a function. A codomain is part of a function f if f is defined as a
Domain is already explained for all the above logarithmic functions with the base '10'. In case, the base is not '10' for the above logarithmic functions, domain will remain unchanged. For example, in the logarithmic function. y = log10(x), instead of base '10', if there is some other base, the domain will remain same. That is.
If I understand the question correctly, the range of the sequence is either $\{0,2,4,6,8\}$ or $\{2,4,6,8\}$, depending on whether your definition of natural number includes $0$; mine does, but yours may not. However, there is no way to tell what the domain is unless your textbook or instructor has established some convention.
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    • meaning of domain and range