Callum Harmon

Mathematics

14 January, 22:45

John drove 250 miles to reach his destination. Throughout the drive he changed his driving rate from 65 miles per hour, to 68 miles per hour, and finally to 70 miles per hour.

- exponential growth

- exponential decay

- linear growth

- niether

Marcus paid $400 for the latest smartphone. The electronics dealer advised him that the smartphone will lose value at a rate of 11.5% each year.

- exponential growth

- exponential decay

- linear growth

- niether

Ted initially had 10 guppies in his aquarium. The number of guppies tripled every 6 months for two years.

- exponential growth

- exponential decay

- linear growth

- neither

Deborah opened a savings account with $2000. She expects to make a $200 deposit every month this year.

- exponential growth

- exponential decay

- linear growth

- neither