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Section 4 – 3
Relations
Using the example on page 205 provide a
Table and Mapping for the following Order Pairs:
(1, 2) (3, -4) (5, 6) (7, -8)(7, 8)
(1, 2) (3, -4) (5, 6) (7, -8) (7, 8)
TableMapping
x yx y
What are the Domains and Range of the relation?
(1, 2) (3, -4) (5, 6) (7, -8)(7, 8)
Domain:
Range:
Now graph the relation on the coordinate plane (be sure your Plane is at least From -10 to +10 on both axis):
(1, 2) (3, -4)
(5, 6) (7, -8)
(7, 8)
What is the INVERSE of the relation:
Original:(1, 2) (3, -4) (5, 6) (7, -8)
(7, 8)
Inverse:( , ) ( , ) ( , ) ( , ) (
, )
Now on the sameplane, graph the Inverse of therelation
(1, 2) (3, -4)
(5, 6) (7, -8)
(7, 8)
(2, 1) (-4, 3)
(6, 5) (-8, 7)
(8,7)
Homework Page: 209
# 18 – 19 Table
# 20 – 21 Mapping
# 22 – 23 Find Domain, Range and Inverse
# 24 – 25 Graph on Coordinate Plane
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