1. Solve for Principal
2. Owen is going to invest in an account paying an interest rate of 5.7% compounded continuously. How much would Owen need to invest, to the nearest hundred dollars, for the value of the account to reach $122,000 in 14 years?

1) Jeff's bank offers a 36-month Certificate of Deposit (CD)with an APR of 2.5%. If P = 4000 what is A(8)? (Round your answerto two decimal places.)

2) Jeff's bank offers a 36-month Certificate of Deposit (CD)with an APR of 2.75%.Whatprincipal P should be invested so that the account balanceis $3500 in three years? (Assume the interest is compoundedmonthly. Round your answer to two decimal places.)

3a) A finance company offers a promotion on $5000 loans. Theborrower does not have to make any payments for the first fouryears, however interest will continue to be charged to the loan at29.6% compounded continuously. What amount will be due at the endof the four year period, assuming no payments are made? (Round youranswer to the nearest cent.)
3b) If the promotion is extended an additional three years, and nopayments are made, what amount would be due? (Round your answer tothe nearest cent.)

4) The current i measured in amps in a certainelectronic circuit with a constant impressed voltage of 120 voltsis given by

i(t) = 3 − 2e^−13twhere t ≥ 0

is the number of seconds after the circuit is switched on.Determine the value of i as

t → ∞.

(This is called thesteady state current.)

i got these worng on my test and my teacher is refusing to goover them in class and i need to know what i did worng can anyonehelp me out these problems...thanks

A small business owner contributes $1000 at the end of eachquarter to a retirement account that earns 8% compoundedquarterly.

(a) How long will it be until the account is worth $150,000?(Round your answer UP to the nearest quarter.)
I'm coming up with 70.0055 but the answer isincorrect.

(b) Suppose when the account reaches $150,000, the business ownerincreases the contributions to $5000 at the end of each quarter.What will the total value of the account be after 15 more years?(Round your answer to the nearest dollar.)
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