OK, so suppose we don t have the graph of a function to look at like in the last section Can we still find the domain and range?.Determine the domain of a function according to the algebraic limitations of that function..
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Formal definition. Given a function , the set is the domain of the set is the codomain of .In the expression , is the argument and is the value.One can think of an argument as a member of the domain that is chosen as an “input” to the function, and the value as the “output” when the function is applied to that member of the domain..
Functions assign outputs to inputs. The domain of a function is the set of all possible inputs for the function. For example, the domain of f x =x is all real numbers, and the domain of g x = x is all real numbers except for x=. We can also define special functions whose domains are more limited..
Learn the definition of the domain. The domain is defined as the set of input values for which the function produces an output value. In other words, the domain is the full set of x values that can be plugged into a function to produce a y value..
Find the Domain of a Function Problems. A set of problems, on finding the domain of a function, with detailed solutions are presented. There are also more problems using the applet below..