172A 2010 Exam 1

# 172A 2010 Exam 1 - Math 172A –Exam 1– Name 1 Deposit to...

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Unformatted text preview: Math 172A –Exam 1– 10/22/10 Name: _______________________ 1. Deposit to fund: \$3,000 paid on 1/1/2010 Withdrawal from fund: \$1,000 on 1/1/2015 Interest accumulates at the following rates for the various periods specified: 2010 through 2012: d (5) = 8% 2013 through 2016: δ = 7% 2017 through 2022: i (24) =6% What is value of the fund as of 12/31/2022? Do the problem whichever way you want. If you use the TVM functions on your calculator, fill in the boxes below. n i PV PMT FV beg/end 2. Bank I credits interest at a continuous rate that is a function of t: δ (t) = (50+10t+t 2 )/1000 a) \$5,000 is deposited at t=2. What is the accumulated value at t=6 ? b) What is the annual rate of simple interest earned during the investment period? 3. Anthony opened a savings account at Bank Z on 7/1/2010. It credits interest at a nominal rate of 8% compounded quarterly. He made the following deposits and withdrawals. Deposits: 7/1/2010 \$500 , 7/1/2014 \$200 Withdrawals: 7/1/2012 \$100 , 7/1/2015 \$X , 7/1/2018 \$865 The 7/1/2018 withdrawal emptied the account....
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172A 2010 Exam 1 - Math 172A –Exam 1– Name 1 Deposit to...

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