The domain of a function is the set of all values that are possible to input into it. The domain in math is usually defined for relations/functions. What is the Definition of Domain in Math? Inputting the values x =, which is a singleton set. Consider the above box as a function f(x) = 2x. i.e., The domain in math is the set of all possible inputs for the function. 1.ĭomain and Range of Exponential Functionsĭomain and Range of Trigonometric Functionsĭomain and Range of an Absolute Value Functionĭomain and Range of a Square Root FunctionĪ domain of a function refers to "all the values" that can go into a function without resulting in undefined values. Let us learn to find the domain and range of a function, and also graph them. Thus, the range is the possible outputs we can have here, that is, the flavors of soda in the machine. No matter what amount you pay, you won't get a cheeseburger from a soda machine.Hence, the domain represents the inputs we can have here, that is, quarters and one-dollar bills. The machine will not give you any flavor of the soda if pennies are input. You can use quarters and one-dollar bills to buy a soda.Domain and range are the main aspects of functions. Similarly, for functions, we input different numbers and we get new numbers as the result. When you put in a certain amount of money, you can select different types of sodas. If your browser is so outdated or unusual that the linked advice doesn't work, consider these ideas.Functions in mathematics can be compared to the operations of a vending (soda) machine.You will need to install a UserScript loader first.You will see formatted as in a textbook if the MathJax UserScript is installed and working. Type this as an example (replace the [- with [ when typing): being a jerk (Jerks get banned.) Using LaTeX.image or video link-posts (Links to articles, Desmos, Wolfram|Alpha, and the like are fine.).one-sentence posts (Have some respect for people who take time to answer your question and follow the posting rules.).posting of quizzes or lists of questions.offers or solicitations of payment in any form.personal information (Check your documents before posting.).r/LearnMath Chatroom Join the unofficial IRC channel: #LearnMath on Freenode (no client required). Reddit Enhancement Suite allows Imgur URLs to be expanded inline but doesn't work so well for other image-hosts.ĬhatGPT and other large language models are not designed for calculation and will frequently be /r/confidentlyincorrect in answering questions about mathematics even if you subscribe to ChatGPT Plus and use its Wolfram|Alpha plugin, it's much better to go to Wolfram|Alpha directly.Įven for more conceptual questions that don't require calculation, LLMs can lead you astray they can also give you good ideas to investigate further, but you should never trust what an LLM tells you.We recommend using Imgur to upload images for linking inside posts.Include any equations or assumptions you are using, and descriptions of any attempts you have made.Where are you in the process? Provide those who help with as much information as possible. What does your instructor (or the text) want you to accomplish? To receive the best help, please use the following format: Sample topic questionĮX: Quadratic Equations EX: Probability Be civil and polite this is meant to be an approachable community for discussion of reason and logic. Questions, no matter how basic, will be answered (to the best ability of the online subscribers).įollow reddiquette. Post all your math-learning resources here. This is a subreddit for learning math, and can be seen as a sister subreddit to /r/math. Think /r/math is too advanced? Here, the only stupid question is the one you don't ask. We're no longer participating in the protest against excessive API fees, but many other subreddits are check out the progress among subreddits that pledged to go dark on 12 July 2023 and the top 255 subreddits (even those that never joined the protest). | Each post must include a specific title and description. Set your post to "Resolved" when answered.
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