exponential growth and decay
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10 Terms
1
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initial value: 894
growth factor: 7
growth factor: 7
y = 894(7)^x
2
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a population of a small town increases by 8 people each year, starting at 200 people
y = 200(1+.08)^x
3
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a house costed 450,000 when it was bought. the value of the house decreases each year by 28%
y = 450000(1-.28)^x
4
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a painting you bought for $800 increases by 6% every day
y = 800(1+.06)^x
5
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initial value: 40,000
growth factor: 1.34
growth factor: 1.34
y = 40000(1.34)^x
6
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if the decay factor is .72, what is the decay rate?
28
7
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growth or decay?
y = 300(1.7)^x
y = 300(1.7)^x
growth
8
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growth or decay?
y = 9(1.02)^x
y = 9(1.02)^x
growth
9
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growth or decay?
y = 657(.8)^x
y = 657(.8)^x
decay
10
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growth or decay?
y = 52(1-.28)^x
y = 52(1-.28)^x
decay