**Q4: **

David wants to sell his apartment. He knows that, in his town, property prices have doubled in the 20 years since he bought his apartment.

Assuming that the property prices increased at a steady rate, what was the annual rate of increase? Give your answer as a percentage correct to one decimal place if necessary.

- A
- B
- C
- D
- E

**Q5: **

The given table shows a videoβs daily view count. How would you describe the figureβs growth?

Day | 1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|

View Count | 6 | 19 | 57 | 168 | 499 |

- Alinear growth
- Bexponential decay
- Clinear decay
- Dexponential growth

**Q6: **

The number of bacteria in an experiment doubles every 9 hours. Use the table to determine how many bacteria there will be after 81 hours.

Hours | 9 | 18 | 27 | 36 | 45 |
---|---|---|---|---|---|

Number of Bacteria | 6 | 12 | 24 | 48 | 96 |

**Q7: **

A savings account has no accumulated interest, but it receives a deposit of $550 every month. Can this be represented by a linear or an exponential growth model?

- Aa linear growth model
- Ban exponential growth model

**Q8: **

Property rental prices downtown are increasing at a rate of per year. This year, an apartment is available for $800 a month. Write an expression for , the value in dollars of the apartment years from now.

- A
- B
- C
- D
- E

**Q9: **

A savings account offers an annual interest rate of . Can this be represented by a linear or an exponential growth model?

- Aan exponential growth model
- Ba linear growth model

**Q10: **

Which of the functions below represents exponential growth?

- A
- B
- C
- D

**Q11: **

Which of the functions below represents exponential growth?

- A
- B
- C
- D

**Q12: **

Determine whether the data shown exhibits growth or decay, stating whether it is linear or exponential.

0 | 1 | 2 | 3 | |

2 | 5 | 12.5 | 31.25 |

- Aexponential decay
- Blinear growth
- Clinear decay
- Dexponential growth