Week_2_solutions

# Week_2_solutions - 1 WEEK 2 SOLUTIONS TUTORIAL QUESTIONS 1...

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1 WEEK 2 - SOLUTIONS TUTORIAL QUESTIONS 1. HPW 2.4 Problem 8, p. 93 Answer: 2 ) 12 5 ( ) ( x x g is not one-to-one, because ) ( ) ( 2 1 x g x g does not imply 2 1 x x . For example, 1 ) 5 / 13 ( ) 5 / 11 ( g g . 2. HPW 4.2 Problem 48, p. 180 Answer: 22 64 x xx  (3 ) (1 ) 0 x x  . Since x > 0, x = 3 3. KZB 1.1 Problem 12, p.5 Find the present value of \$100 due in 3 months if the rate is 11% p.a. simple interest. Answer: \$97.32 4. HPW 5.2 Problem 8, p.204 Answer: 5. HPW 5.2 Problem 12, p.204 Answer: 6. HPW 5.2 Problem 21, p.205 Answer: 7. HPW 5.2 Problem 24, p.205 Answer: 8. A student has to make four payments of a debt. The first is due in 1 month, the second and third in 6 months and the fourth in 12 months respectively. The first is half the size of the second and twice the size of the third payment, while the first and the last payments are the same.

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2 If a student chooses to make repayments of \$4,000 in 12 months and \$8,000 immediately, find the value of the first repayment using 6 months as your focal date. Interest rate is 7% per annum compounded daily for the first 2 months, then
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Week_2_solutions - 1 WEEK 2 SOLUTIONS TUTORIAL QUESTIONS 1...

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