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Exponential Functions Review
By Rebecca Entrekin
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Last updated over 3 years ago
16 questions
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Question 1
1.
Which function is exponential?
A
B
Question 2
2.
What is the formula for the exponential table in the previous question?
Question 3
3.
The function f(x) = 550(1.035)
x
models the amount of money in a certificate of deposit after x years. How much money will there be in 9 years?
Question 4
4.
The function f(x) = 125,000(0.99)
x
, where x is the time in years, models the population of a city. What will the population be in 6 years?
Question 5
5.
You decide to buy a used car that costs $12,000. You’ve heard that the car may depreciate at a rate of 15% per year.
Write an equation to represent the price of the car, f(x), in terms of the years since its purchase, x.
Question 6
6.
You decide to buy a used car that costs $12,000. You’ve heard that the car may depreciate at a rate of 15% per year.
Use the equation from the previous question to determine the value, rounded to the nearest dollar, of the car after 4 years.
Question 7
7.
Write an equation for the exponential function represented by this graph.
Question 8
8.
What is the range of the function shown in this graph?
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Question 15
15.
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If you finished all of the questions, try this desmos activity called "Marbleslides: Exponentials".
Question 9
9.
What is the asymptote of this graph?
Question 10
10.
What is the domain of this graph?
Question 11
11.
What is the range of this graph?
Question 12
12.
What is the y-intercept of this graph?
Question 13
13.
When is this graph positive?
Always
Sometimes
Never
Question 14
14.
When is this graph negative?
Always
Sometimes
Never
Question 16
16.
