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Exponential Functions Quiz
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How do you find the common ratio in a geometric sequence?
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1 point
change y/change in x
find the difference between any two consecutive terms
divide any term by its previous term
try and guess what comes next
What does the a stand for in y=ab^x
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1 point
the initial value
the growth rate
the common ratio
the term number
What does the b stand for in y=ab^x
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1 point
the initial value
the common ratio
the total value
the term number
What is the equation modeled by this graph?
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2 points
3/2^x
3x+6
9(6)^x
6(3/2)^x
Remember g(x)= is synonymous with y=
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2 points
2x + 8
8^x
8(4/5)^x
8(5/4)^x
Growth versus Decay
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1 point
decay
growth
A mouse population is 25,000 and is decreasing in size at a rate of 20% per year. What is the mouse population after 3 years?
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2 points
22800
43200
12800
200
The population of HomeTown is 2016 was estimated to be 35,000 people with an annual rate of increase of 2.4%. What should the population be in 2020 to the nearest hundred people?
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2 points
35,200
36,700
38,482
38,500
What is the next term in the sequence: 2, -10, 50,...
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2 points
250
-250
-100
100
What is the 10th term in this sequence: 7, 14, 28, ...?
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2 points
3584
512
7168
1024
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