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 domains are more limited. Sort by: Tips &
Examples State the domains of the following functions using inequalities. 1. f (x) = x 2 2. g (x) = √x 1. x 2 is defined for all x values, so its domain is (-∞, ∞). We use an open interval because x
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