In mathematics, a function is a relation that uniquely associates elements from one set (domain) to another set (codomain). Each input corresponds to exactly one output, ensuring well-defined mapping. Functions model relationships, transformations and dependencies in various fields like calculus, ...
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The least value of a function refers to its minimum point within a given domain. It can be found using differentiation by setting the first derivative to zero and checking the second derivative. For example in f(x) = x² the ...
An interval represents a set of numbers between two given values on a number line. It can be open closed or semi-open depending on whether the endpoints are included or not. For example the interval (2 5] includes all numbers ...
A function is a rule that assigns each input exactly one output. It maps elements from a domain to a codomain. Functions are represented as f(x), where x is the input. Examples include linear, quadratic and trigonometric functions, such as ...