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Q3 FA 1: Module 3 Topic A (Ben Franklin HS)

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Last updated about 5 years ago
10 questions
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Question 1
1.

Match both types of INTEREST to the function that best models each one.

Draggable itemarrow_right_altCorresponding Item

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Linear Function
Simple Interest
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Exponential Function
Compound Interest
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Quadratic Function
Question 2
2.

Linear functions change by a constant percent rate.

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Question 3
3.

a. Suppose $500 is invested at a bank that offers 4% simple interest. Write and evaluate an expression to determine the balance after 2 years.

b. Suppose $500 is invested at a bank that offerest 4% interest compounded annually. Write and evaluate an expression to determine the balance after 2 years.

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Question 4
4.

Julio won a contest. His cash prize is given to him in the following way: One the first day, Julio receives $0.25. For each successive day, the amount of money Julio receives doubles.

a. Write an explicit formula to represent the money, f(d), in dollars Julio receives d days after the first day.

b. How much money will Julio receive on the 10th day?

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Question 5
5.

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Question 8
8.

Two nearby towns have experienced changes in their populations over the past several years.

Town A had a population of 15,000 residents in 2010, and the number has since decreased at a rate of 10% per year.

Town B had a population of 7,000 residents in 2010, and the number of residents has since increased at a rate of 400 people per year.

Complete the table and write an equation for both towns.

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Question 6
6.

Question 7
7.

Justify your response for parts (a) and (b) above.

Question 9
9.

Match the Town with its correct function type.

Draggable itemarrow_right_altCorresponding Item
Town A
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Exponential Decay

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Linear Growth
Town B
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Linear Decrease

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Exponential Growth
Question 10
10.

Explain your reasoning.