The domain of a function is the set of all acceptable input values (x-values). The range of a function is the set of all output values (y-values).
Range (geographic), a chain of hills or mountains a somewhat linear, complex mountainous or hilly area (cordillera, sierra) mountain range, a group of mountains bordered by lowlands range, a term used to identify a survey township in the u.
With domain, the range of , sometimes denoted or (), may refer to the codomain or target set (i. , the set into which all of the output of is constrained to fall), or to (), the image of the domain of under (i. The image of a function is always a subset of the codomain of the function.).