Domain is what goes in, range is what comes out. Domain is x, range is y. Domain is left to right, range is bottom to top! Have an example of where you're confused? Answer from matt7259 on reddit.com
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IntMath
intmath.com › home › introduction to geometry › 4a. domain and range of a function
Domain and Range of a Function
The range of a function is the complete set of all possible resulting values of the dependent variable (y, usually), after we have substituted the domain. ... The range is the resulting y-values we get after substituting all the possible x-values. The range of a function is the spread of possible ...
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Mathematics LibreTexts
math.libretexts.org › bookshelves › applied mathematics › calculus for business and social sciences corequisite workbook (dominguez, martinez, and saykali) › 4: functions
4.7: Domain and Range of a Function - Mathematics LibreTexts
July 18, 2022 - The domain of a function is all possible values of x that can be used as input to the function, which will result in a real number as the output. The range of a function is the set of all possible …
Discussions

Domain and Range for a function f(x)
Change f(x) to y and it should work More on reddit.com
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September 17, 2021
How to write the domain and range of a function?
The [a, b] is closed interval notation. It tells us the endpoint a and b are closed. The { } is called set notation. You don’t really need to worry about it for now, but we can write [a,b] as the set. { x is real number | a <= x <= b} When infinity is in the domain, we can’t use closed interval. It has to be opened. And open interval is written as (a,b). We can have one endpoint be opened and the other be closed. It would be [a, b) or (b, a]. In your post it should be [0, infinity) The second notation tells us that the domain is all real numbers, excluding 0. Generally you should be allowed to just write that not using set notation. More on reddit.com
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September 5, 2020
Reddit
Explain Like I'm Five is the best forum and archive on the internet for layperson-friendly explanations. Don't Panic! More on reddit.com
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How can I find the domain and range of the intersection between two relations?
The intersection will be the x,y values that satisfy both inequalities simultaneously (this is what you are using when you plug solve for a variable and plug it into another equation). For inequalities we are a bit more restricted, but these ones are reasonable. Solving for y^2 in R yields y^2<4-x^2, so we know x+2 More on reddit.com
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May 11, 2019
People also ask

How do you find the domain of a function?
Generally, the set of real numbers is considered to be the domain of a function. However, we can get the domain set by excluding the values for which the given function is undefined for a particular function.
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byjus.com
byjus.com › maths › domain-codomain-range-functions
Domain Range and Codomain Of A Function
What is the difference between domain and codomain?
In maths, the domain is the set of all possible inputs of a function, whereas the codomain is the set of its possible outcomes or results.
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byjus.com
byjus.com › maths › domain-codomain-range-functions
Domain Range and Codomain Of A Function
Is codomain a subset of range?
Yes, the codomain is a subset of the range.
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byjus.com
byjus.com › maths › domain-codomain-range-functions
Domain Range and Codomain Of A Function
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EMBO Press
embopress.org › home › embo reports › article
Cran1, member of a new class of OLD family ATPases ...
2 weeks ago - Cran1 showed strong nickase activity at a broad range of temperatures (between 40 and 70 °C; Fig. EV1C) and pH (pH 5–10, optimum at pH 6–8; Fig. EV1D). Notably, neither ATP nor its derivatives (ADP, dATP, and AMP) had a measurable effect on the nuclease activity of Cran1 when added to the reaction mixtures (Fig. EV1E). However, the mutants in which the ATPase domain was deleted or the magnesium ion binding/ATP hydrolysis site was mutated lost the nuclease activity (see below), suggesting that an active ATPase domain is necessary for Cran1 to function as a nuclease.
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MathBitsNotebook
mathbitsnotebook.com › Algebra1 › Functions › FNDomainRange.html
Function Domain and Range - MathBitsNotebook(A1)
MathBitsNotebook Algebra 1 Lessons and Practice is free site for students (and teachers) studying a first year of high school algebra.
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PLOS
journals.plos.org › ploscompbiol › article
Natural variants of von Willebrand factor R1205 causing von Willebrand disease with accelerated von Willebrand factor clearance: In silico docking models and energetics of the interaction with both LRP1 and GpIb A1 domain | PLOS Computational Biology
2 weeks ago - Our models reveal that R1205 acts as a structural hinge: its variants disrupt polar networks in VWF’s D3 domain, exposing neo-epitopes that enhance LRP1 binding (ΔΔG up to −5.3 kcal/mol) while destabilizing the A1 domain’s α1-β2 loop, reducing GPIbα affinity (≅30-fold for R1205L/C). These findings explain clinical observations, p.R1205H rapid clearance yet retained platelet adhesion, and establish R1205 as a dual-functional switch regulating VWF circulatory lifetime and hemostatic activity.
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GeeksforGeeks
geeksforgeeks.org › mathematics › domain-and-range-of-function
Domain and Range | How to Find Domain and Range of a Function - GeeksforGeeks
Let the function be f(x) = y = ... (4x − 3) is (−∞, 0) U (0 , ∞ ). The domain and range of a function can be written in Interval Notation....
Published   October 11, 2022
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Cuemath
cuemath.com › calculus › domain-and-range-of-a-function
Domain and Range - From Graph | How to Find Domain and Range of a Function?
The domain and range of a function are the components of a function. The domain is the set of all the input values of a function and the range is the possible output given by the function. Domain→ Function →Range.
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BYJUS
byjus.com › maths › domain-codomain-range-functions
Domain Range and Codomain Of A Function
August 17, 2022 - ... The set of all the outputs of a function is known as the range of the function or after substituting the domain, the entire set of all values possible as outcomes of the dependent variable.
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Math is Fun
mathsisfun.com › sets › domain-range-codomain.html
Domain, Range and Codomain
In its simplest form the domain is all the values that go into a function, and the range is all the values that come out.
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Yahoo!
uk.finance.yahoo.com › news › china-ecological-domain-automotive-hardware-090900804.html
China Ecological Domain and Automotive Hardware ...
2 weeks ago - At Yahoo Finance, you get free stock quotes, up-to-date news, portfolio management resources, international market data, social interaction and mortgage rates that help you manage your financial life.
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MDPI
mdpi.com › 2673-2688 › 6 › 12 › 313
The Artificial Intelligence Quotient (AIQ): Measuring Machine Intelligence Based on Multi-Domain Complexity and Similarity
2 weeks ago - L . Using the MDL of the minimal policy system is important as there are infinitely many representations of the minimal policy systems. This value must then be calculated over the range of possible performance values V. Since we only consider domains that halt, we can calculate the range of possible performance values and normalize them from zero to one.
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University of Sydney
sydney.edu.au › content › dam › students › documents › mathematics-learning-centre › functions-domain-and-range.pdf pdf
Mathematics Learning Centre Functions: The domain and range Jackie Nicholas
The function is defined for all ... necessarily be the natural domain. For example, if we have the function ... Consequently, the range of this function is all real y where 0 ≤y ≤4....
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Lumen Learning
courses.lumenlearning.com › waymakercollegealgebra › chapter › find-domain-and-range-from-a-graph
Determine Domain and Range from a Graph | College Algebra
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 [latex]x[/latex]-axis. The range is the set of possible output values, which are shown ...
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Purplemath
purplemath.com › modules › fcns2.htm
The Domain and Range of Functions
The domain of a relation (and thus also the domain of a function) is the set of allowable inputs; it is the set of all the x-values in the (x, y) points determined by the relation.
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Lumen Learning
courses.lumenlearning.com › intermediatealgebra › chapter › 17-2-1-evaluating-functions
Introduction to Domain and Range | Intermediate Algebra
Functions are a correspondence between two sets, called the domain and the range. When defining a function, you usually state what kind of numbers the domain (x) and range (f(x)) values can be. But even if you say they are real numbers, that does not mean that all real numbers can be used for x.
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Wikipedia
en.wikipedia.org › wiki › Domain_of_a_function
Domain of a function - Wikipedia
2 days ago - ... {\displaystyle f\colon X\to Y} , the set Y is called the codomain: the set to which all outputs must belong. The set of specific outputs the function assigns to elements of X is called its range ...
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Study.com
study.com › math › algebra
Domain & Range of a Function | Definition, Equation & Examples - Lesson | Study.com
January 11, 2013 - The range of a function is the set of all output values in which the function is defined. Or, in another way, it is the set of all values that the function takes. ... The input values appear in the x column while the output values appear in ...