MYLAB MATH COLLEGE ALGEBRA IN CONTEXT
6th Edition
ISBN: 9780135823002
Author: HARSHBARGER
Publisher: PEARSON
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Chapter 5.3, Problem 30E
To determine
To solve: The logarithmic equation
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4. Assume that a risk-free money market account is added to the market described in Q3.
The continuously compounded rate of return on the money market account is log (1.1).
(i) For each given μ, use Lagrange multipliers to determine the proportions (as a
function of μ) of wealth invested in the three assets available for the minimum
variance portfolio with expected return μ.
(ii) Determine the market portfolio in this market and calculate its Sharp ratio.
3. A market consists of two risky assets with rates of return R₁ and R2 and no risk-free
asset. From market data the following have been estimated: ER₁ = 0.25, ER2 = 0.05,
Var R₁ = 0.01, Var R2 = 0.04 and the correlation between R1 and R2 is p = -0.75.
(i) Given that an investor is targeting a total expected return of μ = 0.2. What
portfolio weights should they choose to meet this goal with minimum portfolio
variance? Correct all your calculations up to 4 decimal points.
(ii) Determine the global minimum-variance portfolio and the expected return and
variance of return of this portfolio (4 d.p.).
(iii) Sketch the minimum-variance frontier in the μ-σ² plane and indicate the efficient
frontier.
(iv) Without further calculation, explain how the minimum variance of the investor's
portfolio return will change if the two risky assets were independent.
2. A landlord is about to write a rental contract for a tenant which lasts T months. The
landlord first decides the length T > 0 (need not be an integer) of the contract, the
tenant then signs it and pays an initial handling fee of £100 before moving in. The
landlord collects the total amount of rent erT at the end of the contract at a continuously
compounded rate r> 0, but the contract stipulates that the tenant may leave before T,
in which case the landlord only collects the total rent up until the tenant's departure
time 7. Assume that 7 is exponentially distributed with rate > 0, λ‡r.
(i) Calculate the expected total payment EW the landlord will receive in terms of T.
(ii) Assume that the landlord has logarithmic utility U(w) = log(w - 100) and decides
that the rental rate r should depend on the contract length T by
r(T)
=
λ
√T
1
For each given λ, what T (as a function of X) should the landlord choose so as to
maximise their expected utility? Justify your answer.
Hint. It might be…
Chapter 5 Solutions
MYLAB MATH COLLEGE ALGEBRA IN CONTEXT
Ch. 5.1 - Which of the following functions are exponential...Ch. 5.1 - Prob. 2ECh. 5.1 - a. Graph the function f(x) = ex on the window [5,...Ch. 5.1 - a. Graph the function f(x) = 5x on the window [5,...Ch. 5.1 - Graph the function y = 3x on [5, 5] by [10, 30].Ch. 5.1 - Prob. 6ECh. 5.1 - Prob. 7ECh. 5.1 - Prob. 8ECh. 5.1 - Prob. 9ECh. 5.1 - Prob. 10E
Ch. 5.1 - Prob. 11ECh. 5.1 - Prob. 12ECh. 5.1 - Prob. 13ECh. 5.1 - Prob. 14ECh. 5.1 - Prob. 15ECh. 5.1 - Prob. 16ECh. 5.1 - Prob. 17ECh. 5.1 - Prob. 18ECh. 5.1 - Prob. 19ECh. 5.1 - In Exercises 1924, use your knowledge of...Ch. 5.1 - Prob. 21ECh. 5.1 - Prob. 22ECh. 5.1 - Prob. 23ECh. 5.1 - Prob. 24ECh. 5.1 - Prob. 25ECh. 5.1 - Prob. 26ECh. 5.1 - Prob. 27ECh. 5.1 - Prob. 28ECh. 5.1 - Prob. 29ECh. 5.1 - Prob. 30ECh. 5.1 - Prob. 31ECh. 5.1 - Prob. 32ECh. 5.1 - Prob. 33ECh. 5.1 - Prob. 34ECh. 5.1 - Prob. 35ECh. 5.1 - Prob. 36ECh. 5.1 - Prob. 37ECh. 5.1 - Sales Decay At the end of an advertising campaign,...Ch. 5.1 - Investment a. Graph the function S = 80,000...Ch. 5.1 - Investment a. Graph the function S = 56,000...Ch. 5.1 - Prob. 41ECh. 5.1 - Prob. 42ECh. 5.1 - Prob. 43ECh. 5.1 - Prob. 44ECh. 5.1 - Prob. 45ECh. 5.1 - Prob. 46ECh. 5.1 - Prob. 47ECh. 5.1 - Prob. 48ECh. 5.1 - Prob. 49ECh. 5.1 - Prob. 50ECh. 5.1 - Population The population in a certain city was...Ch. 5.1 - Prob. 52ECh. 5.1 - Prob. 53ECh. 5.1 - Drugs in the Bloodstream If a drug is injected...Ch. 5.1 - Prob. 55ECh. 5.1 - Prob. 56ECh. 5.2 - In Exercises 14, write the logarithmic equations...Ch. 5.2 - In Exercises 14, write the logarithmic equations...Ch. 5.2 - y = ln(2x)Ch. 5.2 - Prob. 4ECh. 5.2 - Prob. 5ECh. 5.2 - Prob. 6ECh. 5.2 - Prob. 7ECh. 5.2 - Prob. 8ECh. 5.2 - In Exercises 9 and 10, evaluate the logarithms, if...Ch. 5.2 - In Exercises 9 and 10, evaluate the logarithms, if...Ch. 5.2 - In Exercises 1113, find the value of the...Ch. 5.2 - In Exercises 1113, find the value of the...Ch. 5.2 - Prob. 13ECh. 5.2 - Graph the functions by changing to exponential...Ch. 5.2 - Prob. 15ECh. 5.2 - Prob. 16ECh. 5.2 - Prob. 17ECh. 5.2 - Prob. 18ECh. 5.2 - Prob. 19ECh. 5.2 - Prob. 20ECh. 5.2 - Prob. 21ECh. 5.2 - Prob. 22ECh. 5.2 - Prob. 23ECh. 5.2 - Prob. 24ECh. 5.2 - Prob. 25ECh. 5.2 - Prob. 26ECh. 5.2 - Prob. 27ECh. 5.2 - Prob. 28ECh. 5.2 - Prob. 29ECh. 5.2 - Prob. 30ECh. 5.2 - Prob. 31ECh. 5.2 - Prob. 32ECh. 5.2 - In Exercises 3134, rewrite each expression as a...Ch. 5.2 - In Exercises 3134, rewrite each expression as a...Ch. 5.2 - Prob. 35ECh. 5.2 - Prob. 36ECh. 5.2 - Prob. 37ECh. 5.2 - In Exercises 3538, rewrite each expression as a...Ch. 5.2 - Prob. 39ECh. 5.2 - Prob. 40ECh. 5.2 - Prob. 41ECh. 5.2 - Prob. 42ECh. 5.2 - Prob. 43ECh. 5.2 - Prob. 44ECh. 5.2 - Prob. 45ECh. 5.2 - Obesity The percent of Americas who are obese from...Ch. 5.2 - Doubling Time If 4000 is invested in an account...Ch. 5.2 - Prob. 48ECh. 5.2 - Prob. 49ECh. 5.2 - Prob. 50ECh. 5.2 - Prob. 51ECh. 5.2 - Prob. 52ECh. 5.2 - Earthquakes If an earthquake has an intensity of...Ch. 5.2 - Earthquakes a. If an earthquake has an intensity...Ch. 5.2 - Prob. 55ECh. 5.2 - Prob. 56ECh. 5.2 - Prob. 57ECh. 5.2 - Earthquakes On January 9, 2008, an earthquake in...Ch. 5.2 - Prob. 59ECh. 5.2 - Prob. 60ECh. 5.2 - Prob. 61ECh. 5.2 - Prob. 62ECh. 5.2 - Use the following information to answer the...Ch. 5.2 - Prob. 64ECh. 5.2 - Prob. 65ECh. 5.2 - Prob. 66ECh. 5.2 - Use the following information to answer the...Ch. 5.2 - Prob. 68ECh. 5.2 - pH Levels The pH value of eggs is 7.79. Find the...Ch. 5.2 - To answer the questions in Exercises 6872, use the...Ch. 5.2 - Prob. 71ECh. 5.2 - Prob. 72ECh. 5.3 - In Exercises 110, solve the equations...Ch. 5.3 - Prob. 2ECh. 5.3 - Prob. 3ECh. 5.3 - Prob. 4ECh. 5.3 - Prob. 5ECh. 5.3 - Prob. 6ECh. 5.3 - Prob. 7ECh. 5.3 - Prob. 8ECh. 5.3 - Prob. 9ECh. 5.3 - Prob. 10ECh. 5.3 - Prob. 11ECh. 5.3 - Prob. 12ECh. 5.3 - Prob. 13ECh. 5.3 - Prob. 14ECh. 5.3 - Prob. 15ECh. 5.3 - Prob. 16ECh. 5.3 - Prob. 17ECh. 5.3 - Prob. 18ECh. 5.3 - Prob. 19ECh. 5.3 - Prob. 20ECh. 5.3 - Prob. 21ECh. 5.3 - Prob. 22ECh. 5.3 - Prob. 23ECh. 5.3 - Prob. 24ECh. 5.3 - Prob. 25ECh. 5.3 - Prob. 26ECh. 5.3 - Prob. 27ECh. 5.3 - Prob. 28ECh. 5.3 - Prob. 29ECh. 5.3 - Prob. 30ECh. 5.3 - Prob. 31ECh. 5.3 - Prob. 32ECh. 5.3 - Prob. 33ECh. 5.3 - Prob. 34ECh. 5.3 - Prob. 35ECh. 5.3 - Prob. 36ECh. 5.3 - Prob. 37ECh. 5.3 - Prob. 38ECh. 5.3 - Prob. 39ECh. 5.3 - Prob. 40ECh. 5.3 - Prob. 41ECh. 5.3 - Prob. 42ECh. 5.3 - Sales Decay After a television advertising...Ch. 5.3 - Prob. 44ECh. 5.3 - Prob. 45ECh. 5.3 - Prob. 46ECh. 5.3 - Super Bowl Ads A minute ad during Super Bowl VII...Ch. 5.3 - Prob. 48ECh. 5.3 - Purchasing Power The purchasing power (real value...Ch. 5.3 - Prob. 50ECh. 5.3 - Prob. 51ECh. 5.3 - Real Estate Inflation During a 10-year period of...Ch. 5.3 - Prob. 53ECh. 5.3 - Prob. 54ECh. 5.3 - Drugs in the Bloodstream The concentration of a...Ch. 5.3 - Prob. 56ECh. 5.3 - Prob. 57ECh. 5.3 - Prob. 58ECh. 5.3 - Prob. 59ECh. 5.3 - Prob. 60ECh. 5.3 - Prob. 61ECh. 5.3 - Prob. 62ECh. 5.3 - Prob. 63ECh. 5.3 - Prob. 64ECh. 5.3 - Prob. 65ECh. 5.3 - Prob. 66ECh. 5.3 - Prob. 67ECh. 5.3 - Prob. 68ECh. 5.3 - Prob. 69ECh. 5.3 - Prob. 70ECh. 5.3 - Prob. 71ECh. 5.3 - Prob. 72ECh. 5.3 - Prob. 73ECh. 5.3 - Prob. 74ECh. 5.3 - Prob. 75ECh. 5.3 - Prob. 76ECh. 5.3 - Prob. 77ECh. 5.3 - Prob. 78ECh. 5.3 - Prob. 79ECh. 5.3 - Drugs in the Bloodstream The concentration of a...Ch. 5.3 - Carbon-14 Dating An exponential decay function can...Ch. 5.3 - Sales Decay After a television advertising...Ch. 5.3 - Prob. 83ECh. 5.4 - Find the exponential function that models the data...Ch. 5.4 - Prob. 2ECh. 5.4 - Prob. 3ECh. 5.4 - The following table has input x and output h(x)....Ch. 5.4 - Prob. 5ECh. 5.4 - Find the exponential function that is the best fit...Ch. 5.4 - Prob. 7ECh. 5.4 - Prob. 8ECh. 5.4 - Compare the first differences and the percent...Ch. 5.4 - Prob. 10ECh. 5.4 - Prob. 11ECh. 5.4 - Prob. 12ECh. 5.4 - Prob. 13ECh. 5.4 - Prob. 14ECh. 5.4 - a. Make a scatter plot of the data in the table...Ch. 5.4 - Prob. 16ECh. 5.4 - Prob. 17ECh. 5.4 - Use the exponential form y = a (1 + r)x to model...Ch. 5.4 - Prob. 19ECh. 5.4 - Prob. 20ECh. 5.4 - Prob. 21ECh. 5.4 - Prob. 22ECh. 5.4 - Chinas Shale Natural Gas The estimated annual...Ch. 5.4 - Prob. 24ECh. 5.4 - Average Annual Wage The following table shows the...Ch. 5.4 - Alzheimers Disease Partially because people in the...Ch. 5.4 - Prob. 27ECh. 5.4 - Prob. 28ECh. 5.4 - Prob. 29ECh. 5.4 - Prob. 30ECh. 5.4 - Prob. 31ECh. 5.4 - Prob. 32ECh. 5.4 - Prob. 33ECh. 5.4 - Sexually Active Boys The percents of boys age x or...Ch. 5.4 - Fuel Economy The lifetime gasoline use of...Ch. 5.4 - National Debt The table gives the U.S. national...Ch. 5.5 - Evaluate the expressions in Exercises 110. Write...Ch. 5.5 - Prob. 2ECh. 5.5 - Prob. 3ECh. 5.5 - Prob. 4ECh. 5.5 - Prob. 5ECh. 5.5 - Prob. 6ECh. 5.5 - Prob. 7ECh. 5.5 - Prob. 8ECh. 5.5 - Prob. 9ECh. 5.5 - Prob. 10ECh. 5.5 - Find g(2.5), g(3), and g(3.5) if...Ch. 5.5 - Prob. 12ECh. 5.5 - Prob. 13ECh. 5.5 - Prob. 14ECh. 5.5 - Prob. 15ECh. 5.5 - Prob. 16ECh. 5.5 - Prob. 17ECh. 5.5 - Prob. 18ECh. 5.5 - Future Value If 10,000 is invested at 12%...Ch. 5.5 - Prob. 20ECh. 5.5 - Future Value An amount of 10,000 is invested at...Ch. 5.5 - Future Value A total of 8800 is invested at 6%...Ch. 5.5 - Compound Interest If 10,000 is invested at 12%...Ch. 5.5 - Prob. 24ECh. 5.5 - Continuous Compounding Suppose 10,000 is invested...Ch. 5.5 - Prob. 26ECh. 5.5 - Continuous versus Annual Compounding a. If 10,000...Ch. 5.5 - Prob. 28ECh. 5.5 - Doubling Time Use a spreadsheet, a table, or a...Ch. 5.5 - Prob. 30ECh. 5.5 - Prob. 31ECh. 5.5 - Prob. 32ECh. 5.5 - Prob. 33ECh. 5.5 - Prob. 34ECh. 5.5 - Doubling Time If money is invested at 10%...Ch. 5.5 - Doubling Time If money is invested at 11.6%...Ch. 5.5 - Prob. 37ECh. 5.5 - Prob. 38ECh. 5.5 - Prob. 39ECh. 5.5 - Prob. 40ECh. 5.5 - Prob. 41ECh. 5.5 - Prob. 42ECh. 5.5 - Prob. 43ECh. 5.5 - Retirement Hennie and Bob inherit 100,000 and plan...Ch. 5.5 - Prob. 45ECh. 5.5 - Prob. 46ECh. 5.5 - Prob. 47ECh. 5.5 - Prob. 48ECh. 5.5 - Prob. 49ECh. 5.5 - Prob. 50ECh. 5.5 - Prob. 51ECh. 5.5 - Prob. 52ECh. 5.6 - Give answers to two decimal places. 1. Solve S =...Ch. 5.6 - Prob. 2ECh. 5.6 - Prob. 3ECh. 5.6 - Prob. 4ECh. 5.6 - Prob. 5ECh. 5.6 - Prob. 6ECh. 5.6 - IRA Anne Wright decides to invest 4000 in an IRA...Ch. 5.6 - Prob. 8ECh. 5.6 - Prob. 9ECh. 5.6 - Prob. 10ECh. 5.6 - Prob. 11ECh. 5.6 - Prob. 12ECh. 5.6 - Prob. 13ECh. 5.6 - Prob. 14ECh. 5.6 - Annuities Find the present value of an annuity...Ch. 5.6 - Prob. 16ECh. 5.6 - Prob. 17ECh. 5.6 - College Tuition A couple wants to establish a fund...Ch. 5.6 - Insurance Payment A man is disabled in an accident...Ch. 5.6 - Auto Leasing A woman wants to lease rather than...Ch. 5.6 - Business Sale A man can sell his Thrifty...Ch. 5.6 - Prob. 22ECh. 5.6 - Home Mortgage A couple wants to buy a house and...Ch. 5.6 - Prob. 24ECh. 5.6 - Loan Repayment A loan of 10,000 is to be amortized...Ch. 5.6 - Prob. 26ECh. 5.6 - Home Mortgage A couple who wants to purchase a...Ch. 5.6 - Prob. 28ECh. 5.7 - Give approximate answers to two decimal places. 1....Ch. 5.7 - Prob. 2ECh. 5.7 - Prob. 3ECh. 5.7 - Prob. 4ECh. 5.7 - Give approximate answers to two decimal places. 5....Ch. 5.7 - Prob. 6ECh. 5.7 - Give approximate answers to two decimal places. 7....Ch. 5.7 - Prob. 8ECh. 5.7 - Spread of a Disease The spread of a highly...Ch. 5.7 - Prob. 10ECh. 5.7 - Prob. 11ECh. 5.7 - Prob. 12ECh. 5.7 - Spread of a Rumor The number of people in a small...Ch. 5.7 - Organizational Growth A new community college...Ch. 5.7 - Prob. 22ECh. 5.7 - Prob. 23ECh. 5.7 - Company Growth Because of a new research grant,...Ch. 5.7 - Prob. 25ECh. 5.7 - Prob. 26ECh. 5.7 - Prob. 27ECh. 5.7 - Prob. 28ECh. 5.7 - Prob. 29ECh. 5.7 - Prob. 30ECh. 5 - In Exercises 1 and 2, use the properties of...Ch. 5 - a. y5 y b. w10w4 c. (6bx)3 d. (5z2)3 e. 32 33 f....Ch. 5 - In Exercises 318, use the properties of exponents...Ch. 5 - Prob. 4TECh. 5 - Prob. 5TECh. 5 - Prob. 6TECh. 5 - Prob. 7TECh. 5 - Prob. 8TECh. 5 - Prob. 9TECh. 5 - In Exercises 318, use the properties of exponents...Ch. 5 - Prob. 11TECh. 5 - Prob. 12TECh. 5 - Prob. 13TECh. 5 - Prob. 14TECh. 5 - Prob. 15TECh. 5 - Prob. 16TECh. 5 - Prob. 17TECh. 5 - Prob. 18TECh. 5 - In Exercises 1922, write the numbers in scientific...Ch. 5 - Prob. 20TECh. 5 - Prob. 21TECh. 5 - In Exercises 1922, write the numbers in scientific...Ch. 5 - Prob. 23TECh. 5 - Prob. 24TECh. 5 - Prob. 25TECh. 5 - Prob. 26TECh. 5 - Prob. 27TECh. 5 - Prob. 28TECh. 5 - In Exercises 2938, use the properties of exponents...Ch. 5 - Prob. 30TECh. 5 - Prob. 31TECh. 5 - Prob. 32TECh. 5 - Prob. 33TECh. 5 - Prob. 34TECh. 5 - Prob. 35TECh. 5 - Prob. 36TECh. 5 - Prob. 37TECh. 5 - Prob. 38TECh. 5 - Prob. 1RECh. 5 - Prob. 2RECh. 5 - Prob. 3RECh. 5 - Prob. 4RECh. 5 - Prob. 5RECh. 5 - Prob. 6RECh. 5 - Prob. 7RECh. 5 - Prob. 8RECh. 5 - Prob. 9RECh. 5 - Prob. 10RECh. 5 - In Exercises 1012, write the logarithmic equations...Ch. 5 - In Exercises 1012, write the logarithmic equations...Ch. 5 - Write the inverse of y = 4x in logarithmic form.Ch. 5 - In Exercises 1416, evaluate the logarithms, if...Ch. 5 - In Exercises 1416, evaluate the logarithms, if...Ch. 5 - Prob. 16RECh. 5 - Prob. 17RECh. 5 - Prob. 18RECh. 5 - In Exercises 1719, find the value of the...Ch. 5 - In Exercises 20 and 21, use a change of base...Ch. 5 - Prob. 21RECh. 5 - Prob. 22RECh. 5 - Prob. 23RECh. 5 - Prob. 24RECh. 5 - Prob. 25RECh. 5 - In Exercises 2427, solve the exponential...Ch. 5 - In Exercises 2427, solve the exponential...Ch. 5 - Prob. 28RECh. 5 - Rewrite 6 log4 x 2 log4 y as a single logarithm.Ch. 5 - Determine whether a linear or an exponential...Ch. 5 - Evaluate P(1+rk)kn for P = 1000, r = 8%, k = 12, n...Ch. 5 - Prob. 32RECh. 5 - Prob. 33RECh. 5 - a. Graph y = 500 (0.10.2x) for x = 0 to x = 10. b....Ch. 5 - Prob. 35RECh. 5 - Prob. 36RECh. 5 - Sales Decay At the end of an advertising campaign,...Ch. 5 - Earthquakes a. If an earthquake has an intensity...Ch. 5 - Earthquakes On January 23, 2001, an earthquake...Ch. 5 - Prob. 40RECh. 5 - Prob. 41RECh. 5 - Prob. 42RECh. 5 - Hearing High-pitched tones that young people can...Ch. 5 - Mobile Home Sales A company that buys and sells...Ch. 5 - Sales Decay At the end of an advertising campaign,...Ch. 5 - Prob. 46RECh. 5 - Prob. 47RECh. 5 - Prob. 48RECh. 5 - Investments If 3300 is invested for x years at...Ch. 5 - Prob. 50RECh. 5 - Prob. 51RECh. 5 - Energy Use Energy use per dollar of GDP is indexed...Ch. 5 - Prob. 53RECh. 5 - Prob. 54RECh. 5 - Endangered Species The following table gives the...Ch. 5 - Prob. 58RECh. 5 - Annuities At the end of each quarter, 1000 is...Ch. 5 - Prob. 60RECh. 5 - Present Value Find the present value of an annuity...Ch. 5 - Prob. 62RECh. 5 - Prob. 63RECh. 5 - Prob. 64RECh. 5 - Prob. 65RECh. 5 - Prob. 66RECh. 5 - Organizational Growth The president of a new...Ch. 5 - Prob. 68RECh. 5 - Prob. 69RECh. 5 - Interest Rate Suppose that 30,000 is invested at...Ch. 5 - Prob. 71RE
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- Please solving problem2 Problem1 We consider a two-period binomial model with the following properties: each period lastsone (1) year and the current stock price is S0 = 4. On each period, the stock price doubleswhen it moves up and is reduced by half when it moves down. The annual interest rateon the money market is 25%. (This model is the same as in Prob. 1 of HW#2).We consider four options on this market: A European call option with maturity T = 2 years and strike price K = 5; A European put option with maturity T = 2 years and strike price K = 5; An American call option with maturity T = 2 years and strike price K = 5; An American put option with maturity T = 2 years and strike price K = 5.(a) Find the price at time 0 of both European options.(b) Find the price at time 0 of both American options. Compare your results with (a)and comment.(c) For each of the American options, describe the optimal exercising strategy.arrow_forwardPlease ensure that all parts of the question are answered thoroughly and clearly. Include a diagram to help explain answers. Make sure the explanation is easy to follow. Would appreciate work done written on paper. Thank you.arrow_forwardThis question builds on an earlier problem. The randomized numbers may have changed, but have your work for the previous problem available to help with this one. A 4-centimeter rod is attached at one end to a point A rotating counterclockwise on a wheel of radius 2 cm. The other end B is free to move back and forth along a horizontal bar that goes through the center of the wheel. At time t=0 the rod is situated as in the diagram at the left below. The wheel rotates counterclockwise at 1.5 rev/sec. At some point, the rod will be tangent to the circle as shown in the third picture. A B A B at some instant, the piston will be tangent to the circle (a) Express the x and y coordinates of point A as functions of t: x= 2 cos(3πt) and y= 2 sin(3t) (b) Write a formula for the slope of the tangent line to the circle at the point A at time t seconds: -cot(3πt) sin(3лt) (c) Express the x-coordinate of the right end of the rod at point B as a function of t: 2 cos(3πt) +411- 4 -2 sin (3лt) (d)…arrow_forward
- 5. [-/1 Points] DETAILS MY NOTES SESSCALCET2 6.5.AE.003. y y= ex² 0 Video Example x EXAMPLE 3 (a) Use the Midpoint Rule with n = 10 to approximate the integral कर L'ex² dx. (b) Give an upper bound for the error involved in this approximation. SOLUTION 8+2 1 L'ex² d (a) Since a = 0, b = 1, and n = 10, the Midpoint Rule gives the following. (Round your answer to six decimal places.) dx Ax[f(0.05) + f(0.15) + ... + f(0.85) + f(0.95)] 0.1 [0.0025 +0.0225 + + e0.0625 + 0.1225 e0.3025 + e0.4225 + e0.2025 + + e0.5625 €0.7225 +0.9025] The figure illustrates this approximation. (b) Since f(x) = ex², we have f'(x) = 0 ≤ f'(x) = < 6e. ASK YOUR TEACHER and f'(x) = Also, since 0 ≤ x ≤ 1 we have x² ≤ and so Taking K = 6e, a = 0, b = 1, and n = 10 in the error estimate, we see that an upper bound for the error is as follows. (Round your final answer to five decimal places.) 6e(1)3 e 24( = ≈arrow_forward1. Consider the following preference ballots: Number of voters Rankings 6 5 4 2 1st choice A DCB DC 2nd choice B B D 3rd choice DCBD 4th choice CA AAA For each of the four voting systems we have studied, determine who would win the election in each case. (Remember: For plurality with runoff, all but the top two vote-getters are simultaneously eliminated at the end of round 1.)arrow_forwardPractice k Help ises A 96 Anewer The probability that you get a sum of at least 10 is Determine the number of ways that the specified event can occur when two number cubes are rolled. 1. Getting a sum of 9 or 10 3. Getting a sum less than 5 2. Getting a sum of 6 or 7 4. Getting a sum that is odd Tell whether you would use the addition principle or the multiplication principle to determine the total number of possible outcomes for the situation described. 5. Rolling three number cubes 6. Getting a sum of 10 or 12 after rolling three number cubes A set of playing cards contains four groups of cards designated by color (black, red, yellow, and green) with cards numbered from 1 to 14 in each group. Determine the number of ways that the specified event can occur when a card is drawn from the set. 7. Drawing a 13 or 14 9. Drawing a number less than 4 8. Drawing a yellow or green card 10. Drawing a black, red, or green car The spinner is divided into equal parts. Find the specified…arrow_forward
- Problem 1.We consider a two-period binomial model with the following properties: each period lastsone (1) year and the current stock price is S0 = 4. On each period, the stock price doubleswhen it moves up and is reduced by half when it moves down. The annual interest rateon the money market is 25%. We consider four options on this market: A European call option with maturity T = 2 years and strike price K = 5; A European put option with maturity T = 2 years and strike price K = 5; An American call option with maturity T = 2 years and strike price K = 5; An American put option with maturity T = 2 years and strike price K = 5.(a) Find the price at time 0 of both European options.(b) Find the price at time 0 of both American options. Compare your results with (a)and comment.(c) For each of the American options, describe the optimal exercising strategy.(d) We assume that you sell the American put to a market participant A for the pricefound in (b). Explain how you act on the market…arrow_forwardWhat is the standard scores associated to the left of z is 0.1446arrow_forward2. [-/1 Points] DETAILS MY NOTES SESSCALCET2 6.5.015. Use the Trapezoidal Rule, the Midpoint Rule, and Simpson's Rule to approximate the given integral with the specified value of n. (Round your answers to six decimal places.) ASK YOUR TEACHER 3 1 3 + dy, n = 6 (a) the Trapezoidal Rule (b) the Midpoint Rule (c) Simpson's Rule Need Help? Read It Watch Itarrow_forward
- This question builds on an earlier problem. The randomized numbers may have changed, but have your work for the previous problem available to help with this one. A 4-centimeter rod is attached at one end to a point A rotating counterclockwise on a wheel of radius 2 cm. The other end B is free to move back and forth along a horizontal bar that goes through the center of the wheel. At time t=0 the rod is situated as in the diagram at the left below. The wheel rotates counterclockwise at 1.5 rev/sec. At some point, the rod will be tangent to the circle as shown in the third picture. B A B at some instant, the piston will be tangent to the circle (a) Express the x and y coordinates of point A as functions of t: x= 2 cos(3πt) and y= 2 sin(3πt) (b) Write a formula for the slope of the tangent line to the circle at the point A at time t seconds: -cot (3πt) (c) Express the x-coordinate of the right end of the rod at point B as a function of t: 2 cos(3πt) +41/1 (d) Express the slope of the rod…arrow_forwardConsider the proof below: Proposition: If m is an even integer, then 5m +4 is an even integer. Proof: We see that |5m+4=10n+4 = 2(5n+2). Therefore, 5m+4 is an even integer. **Note: you may assume the proof is valid, just poorly written. Based upon the Section 1.3 screencast and the reading assignment, select all writing guidelines that are missing in the proof. Proof begins by stating assumptions ✓ Proof has an invitational tone/uses collective pronouns Proof is written in complete sentences Each step is justified ☐ Proof has a clear conclusionarrow_forwardNote: The purpose of this problem below is to use computational techniques (Excelspreadsheet, Matlab, R, Python, etc.) and code the dynamic programming ideas seen inclass. Please provide the numerical answer to the questions as well as a sample of yourwork (spreadsheet, code file, etc.).We consider an N-period binomial model with the following properties: N = 60, thecurrent stock price is S0 = 1000; on each period, the stock price increases by 0.5% whenit moves up and decreases by 0.3% when it moves down. The annual interest rate on themoney market is 5%. (Notice that this model is a CRR model, which means that thebinomial tree is recombining.)(a) Find the price at time t0 = 0 of a (European) call option with strike price K = 1040and maturity T = 1 year.(b) Find the price at time t0 = 0 of a (European) put option with strike price K = 1040and maturity T = 1 year.(c) We consider now, that you are at time t5 (i.e. after 5 periods, which represents 1month later). Assume that the stock…arrow_forward
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