The following definitions apply to the 13 categories of exceptionality as defined by IDEA (listed in alphabetical. order): 1) Autism - a developmental disability significantly affecting verbal and nonverbal communication and social. interaction, generally evident before age 3 that adversely affects a child's educational performance. Other.
Introduce function notation to represent a function that takes as input the name of a. month, and gives as output the number of days in that month. The number of days in a month is a function of the name of the month, so if we name. the function.
In mathematics, a function[1] is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output. An example is the function that relates each real number x to its square x2. The output of a function f corresponding to an input x is denoted by f(x) (read f of x).