Functions and mapsFunctionsIn this course we define functions as objects which take an argument in ![]() to refer to a function with ‘‘input’’ space Example: The function ![]() gives the distance from the point We allow for functions to take infinity values. The domain of a function Example:
MapsWe reserve the term map to refer to functions which return more than a single value, and use the notation ![]() to refer to a map with input space Example: a map. |