Chapter 2 Functions, Equations, and Graphs Section 2.1 day 1 Relations and Functions Objectives: to graph relations and to identify functions

Vocabulary input output inputs outputs domain range relation domain A relation is a set of pairs of and data. The domain of a relation is the set of all , or , of the ordered pairs.   The range of a relation is the set of all , or , of the ordered pairs. The mapping diagram links elements of the with corresponding elements of the . A function is a in which each element of the is paired with element in the . inputs x-coordinates outputs y-coordinates domain range relation domain exactly one range

Assignment Pgs. 59-60 # 1-15, 40-42---complete # 1-4 on graph paper worksheet