Mathematics 10c Unit 5 Student Worksheets With Answer Key Page 21
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48Linear Functions
LESSON THREE - Slope-Point Form
y - y
= m(x - x
)
1
1
Lesson Notes
Example 4
The following table shows population data for two small cities.
Year
Population of City A
Population of City B
2012
34000
29170
2020
38960
27410
a) Represent this data on a graph where t represents the number of years since 2010
and P is the population.
P
50000
47500
45000
42500
40000
37500
35000
32500
30000
27500
25000
22500
20000
17500
15000
12500
10000
7500
5000
2500
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t
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