Expo Functions RETEST ΚΟΣ
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The graph shows the number of coffee stores after 1992.
Coffee Stores
a) Is this graph linear, quadratic or exponential?
How can you tell?
2,400
2,200
2,000
1,800
1,600
E
b) How many stores were open in 1992?
Number of Stores
Ø 1,400
1,200
1,000
800
600
400
2001
c) Which of the following equations might fit this data?
X
y = 400(1.25)
y = 400(0.75)
y = 1.25(400)
0 1 2 3 4 5 6 7 8 9 10
Number of Years Since 1992
1
2
3
4
5
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