Exponential Functions (Growth/Decay, Compound, Solving Exponent)

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account with a simple interest rate of 3.8%.

If Caiden doesn't touch the account after 15 years, how much money will be in his account?

(Round your answer to the nearest hundredths)

Tags

CCSS.HSF.BF.A.2

Mark took out a loan for $25,690 to purchase a new truck at a simple interest rate of 5.2% for 5 years.

How much will Mark have to pay in total?

(Round to the nearest hundredths)

Tags

CCSS.HSF.BF.A.2

You have inherited land that was purchased for $30,000 in 1990. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?

(Round your answer to the nearest cent)

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Riley invested $1,000 in savings bonds. If the bonds earn 6.8% interest compounded semi-annually.

How much will Riley have in total 11 years?

(Round your answer to the nearest hundredths)

Sarah won $3,000 from a radio contest. If she puts this money in a bank account that earns 2.8% interest compounded quarterly, how much total will she have in 10 years?

(Round your answer to the nearest hundredths)

Robert invested $5,000 in a money market account with an annual interest rate of 3.75% compounded monthly. If Robert doesn't add or remove any money, how much will be in this account after 25 years?

(Round your answer to the nearest cent)

Solve: 9^8-x = 27^x-3

^{(Just write the number)}

Solve: 16^2x-5 = 64^x+1

^{(Just write the number)}

Solve: 16^(x-5) = 32^(2x+2)

^{(Just write the number)}

Solve: 9^(2x+3) = 27^(x-1)

^{(Just write the number)}