Constant function

From AoPSWiki

A constant function is a function which has a constant output: the value of the function does not depend on the value of its input. Equivalently, a constant function is a function whose range has only a single value. For example, $f(x)=4$ is a constant function, and so is $g(x)=\log_{34} e^{\pi-\frac{1}{2}$ .

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Constant function

From AoPSWiki