# How to find domain calculus

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)=x² is all real numbers, and the domain of g (x)=1/x is all real numbers except for x=0. We can also define special functions whose

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## From Graph

Domain Relational Calculus is a non-procedural query language equivalent in power to Tuple Relational Calculus. Domain Relational Calculus provides only the description

## Finding the Domain Without the Graph

The two cases are just theoretical and will yield to some kind of degenerated rectangles, such that the surface of the domain is equal to zero. You could also chose (for the one case) y = ϵ for some very small ϵ. The smaller you chose ϵ

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## Domain and Range of a Function

To find the domain, we need to analyse what the graph looks like horizontally. Moving from left to right along the \ (x\)-axis, identify the span of values for which the function is defined. Similarly