【2018两会·改革新征程】焕发新时代“干字当头”的奋斗豪情

百度 来源:上海发布据市公安局官方微信“警民直通车上海”，3月13日市公安局发布了《上海市常住户口管理规定》（以下简称《规定》）。

If is a map (a.k.a. function, transformation, etc.) over a domain , then the image of , also called the range of under , is defined as the set of all values that can take as its argument varies over , i.e.,

"Image" is a synonym for "range," but "image" is the term preferred in formal mathematical writing.

The notation denotes the image of the interval under the function . Formally,