Review Compound Interest, Direct Variation, and Functions

Find the balance in the account after the given period.

$12,000 principal earing 4.8% compounded annually after 7 years.

• $3,243.19

• $16,661.35

• $15,243.19

• $4,661.35

Find the balance in the account after the given period.

$3400 principal earning 3.6% compounded annually after 2 years

• $3,420.43

• $3,649.21

• $3,675.39

• $6,288.64

Your $54,200 2 year car loan is at 15.1% compounded annually. What will you have paid for your car after 2 years?

• $62,693.15

• $62,384.20

• $71,804.21

• $341,465.42

Caiden earned $475 from mowing lawns last summer.He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 years?

• $827.52

• $831.10

• $839.45

• $846.80

Your 6 year investment of $40,000 at 14% interest compounded annually is worth how much now?

• $47,798.90
• $87,798.90
• $127,798
• $7,798

Which formula(s) should you use for compound interest?

select ALL that apply.

• Yes, everything looks good!

• No, she made a mistake :(

Your 3 year investment of $20,000 received 5.2% interest compounded annually. What will your total balance be at the end?

• $23,285.05

• $3,285.05

• $2,385

• $32,285

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function