Q3 FA 1: Module 3 Topic A (Ben Franklin HS)
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Last updated almost 5 years ago
10 questions
1
Match both types of INTEREST to the function that best models each one.
Match both types of INTEREST to the function that best models each one.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
| arrow_right_alt | Linear Function | |
Simple Interest | arrow_right_alt | Exponential Function |
Compound Interest | arrow_right_alt | Quadratic Function |
1
Linear functions change by a constant percent rate.
Linear functions change by a constant percent rate.

2
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.
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.
2
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?
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?

1
1
1
Justify your response for parts (a) and (b) above.
Justify your response for parts (a) and (b) above.

1
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.
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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1
Match the Town with its correct function type.
Match the Town with its correct function type.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Town A | arrow_right_alt | Exponential Decay |
Town B | arrow_right_alt | Linear Growth |
| arrow_right_alt | Linear Decrease | |
| arrow_right_alt | Exponential Growth |
1
Explain your reasoning.
Explain your reasoning.