I. Goal: To read and describe data (1.2, 1.3)
A. Ways to represent data
B. A relation is
1.
The table below gives values of a relation between the number of hours
worked and the workers wage.
Hours
Wages (in dollars)
4
36
6
54
8
72
10
90
a.
Express the data as a set of ordered pairs (
h,w
) where
h
is the number of
hours worked and
w
is the workers wage.
b.
The hours are called the ____________ and the wages are called the
_____________.
The collection of all inputs are called the
_____________ and the collection of all outputs are called the
______________.
c.
Find the output that corresponds to the input 6.
Find the input that corresponds to the input 90.
Find the domain.
Find the range.
d.
Write a sentence to explain the meaning of the ordered pair (10, 90).
e.
Sketch a scatter plot of the data.
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Write an equation to model the data.
g.
Describe the trends that can be seen in the data.
2.
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 Fall '08
 FREEMAN
 Ordered pair

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