Laskowski Writing Exponential Equations

Write the equation of the situation below:

The population of 10,000 mosquitos is cut in half each month when a colony of bats moves in the area.

Write the equation of the situation below:

Layla’s 4 hour daily phone time decreases by 5% per day. 

Declan’s bank account balance can be modeled by the equation

F(x) = 3000(1.035)^x.

What was the initial amount of money in the account.

• 35

• 1035

• 3000

• The amount can not be determined.

Declan’s bank account balance can be modeled by the equation

F(x) = 3000(1.035)^x.

What was the interest rate of the bank account.

• 1035%

• 35%

• 3.5%

• 3000%

Declan’s bank account balance can be modeled by the equation

F(x) = 3000(1.035)^x.

Is this bank account growing or decaying?

• growing

• decaying

• can not be deterined

What is the range?

What exponential equation represents the table shown.

Which exponential equation matches the graph?

Asiya buys a share of Apple stock for $200 and it appreciates by 20% per year.  How much will it be worth in 5 years? (round to the hundreths place)

Given F(x) = 10(4.5)^x

What is the y-intercept? Do not write as an ordered pair.