4.4 – relations, domain, & range

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Presentation transcript:

4.4 – relations, domain, & range Textbook pg. 268 Objective: The student will identify domain and range in a function in order interpret graphs.

relation: any set of data with an input (x-values) and an output (y-values) mapping diagram: similar to a table, but with arrows The following ordered pairs represents track scoring places and the points given to each. Represent them in a table, graph, and mapping diagram. (1, 5) (2, 3) (3, 2) (4, 1)

Domain: input (all x-values) Range: output (all y-values) 2) Go back to #1 and state the domain and range -1 5 4) Shoe Prices 0 10 size 6 7 8 9 1 15 $ 27 27 30 30

Domain and range on a graph is from one number to another (AND compound inequality) Interval Notation: always read LEFT TO RIGHT or BOTTOM TO TOP ( ) = [ ] =  =  = Find the domain and range

Name Date Period 4.4 – half sheet