4.4 Assignment ~ Applications of Exponentials

Your starting salary at a new company is $34,000 and it increases by 2.5% each year.

Which formula should you use?

Your starting salary at a new company is $34,000 and it increases by 2.5% each year.

What is the model for this situation?

Your starting salary at a new company is $34,000 and it increases by 2.5% each year.

Using the model from the previous question, calculate how much your salary will be in 5 years.

• $29,957.25

• $38,467.88

• $103,759.77

• $8,068.36

Your investment of $40,000 is compounded quarterly at a rate of 14%.

Which formula should you use?

Your investment of $40,000 is compounded quarterly at a rate of 14%.

What is the model for this situation?

Your investment of $40,000 is compounded quarterly at a rate of 14%.

Using the model from the previous question, calculate how much your investment would be worth after 6 years.

• $91,333.14

• $301,181.44

• $4,917.02

• $17,010.44

The yearly profits of a company are $25,000. The profits have been decreasing by 6% per year.

Which formula should you use?

The yearly profits of a company are $25,000. The profits have been decreasing by 6% per year.

What is the model for this situation?

The yearly profits of a company are $25,000. The profits have been decreasing by 6% per year.

Using the model from the previous question, calculate how much the profits will be in 8 years?

• $16.38

• $1.64

• $39,846.20

• $15,239.22

There are 500 bacteria, and the culture of bacteria doubles every hour.

Which formula should you use?