![]() If your browser is so outdated or unusual that the linked advice doesn't work, consider these ideas.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 function, transformation, etc.) over a domain, then the image of, also called the range of under, is defined as the set of all values that can take as its argument varies over, i.e., 'Image' is a synonym for ' range ,' but 'image' is the term preferred in formal mathematical writing.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). For example, if you have a vector space V V, a function T T has a dense range if T V T V is dense, i.e. 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. I think it means that the range is a dense subset. Transcript The range of a function is the set of all possible outputs the function can produce.We would write f: X Y to describe a function with name, f, domain X and codomain. The set of all allowable outputs is called the codomain. ![]() The set of all inputs for a function is called the domain. We call the output the image of the input. ![]()
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