Linear Algebra Questions and Answers

Why might a country impose a tariff on imports To send a message to the producing country that its products are worth less than it thinks To prevent an embargo To give the imported goods additional value making them more attractive in the marketplace To protect domestic producers of the same goods

Study the following diagram and choose the best response below Stagnation Which of the following occurs when the factors below converge Hyper inflation Recession Depression Inflation Stagflation

Which statement is the most accurate regarding government growth since the Great Depression O The Federal Government has grown while local and state governments have shrunk Government has grown at federal local and state levels for the entire period O Government size spiked during WWII but has been falling ever since Government had been steadily shrinking since the Depression but has grown rapidly in size

What is one reason why government spending alone may not reflect the true size of government The government does not adjust its spending figures for inflation The government nets its total spending with total tax revenue Some private sector spending is mandated by law The term government spending does not include federal employees salaries

Lesson 10 A New Kind of Number Cool Down What is Real What is Imaginary In your own words explain what you know about a number that satisfies the equation x 1 I

Question 13 of 15 1 point Question Attempt 1 of 3 The monthly profit for a company that makes decorative picture frames depends on the price per frame The company determines that the profit is approximated by f p 80p 2560p 17 600 where p is the price per frame and f p is the monthly profit based on that price a Find the price that generates the maximum profit b Find the maximum profit c Find the price s that would enable the company to break even If there is more than one price use the and button Part 0 3 Part 1 of 3 a The price that gen

From known power series of common functions determine the power series expansion of the following function f x below up to the x term giving the radius of convergence f x 1 3r

3 13 32 48 70 88 99 6 25 42 67 76 98 5 number summary Use the Locator Percentile method described in your book not your calculator

who received each letter grade on their last English paper The class contains 60 students English Paper Grades Percentage 40 35 30 25 20 15 10 5 A B Grades C D What number of students earned an A on their paper students

II Set up an equation and then solve for the variable 9 ACATADOG Find x 8x 6 C T 11 ABD ACDB Find x A 4x 35 3x 9 2x 17 10 IEFAHGF Find a E 5a 12 AABD ACDB Find y 7y A 3y 20 B 2a 3 H

Use fundamental trigonometric identities to find the values of the functions Given cot csc 0 csc 0 csc 0 13 12 13 12 csc 0 5 12 for ein Quadrant III find csc 0 and sin 8 sin e sin e 13 12 13 12 sin e sin e 12 13 12 13 12 13 12 13

Tameka s back yard has three trees that form a small triangle She is planning to plant a flower garden in this triangular area and must calculate the area in order to buy the correct amount of fertilizer and mulch She measures the following distances for the three sides of the triangle 10 5 ft 8 75 ft and 5 75 ft Calculate the area of this garden Round your answer to the nearest tenth

Write each rate as 10 feet in 20 seco

Cash Reporting Blakely Industries has the following items Currency

Non homogeneous second order ODE s 30 Find the complete solutions of the non homogeneous equations a y 8y 7y x e 10

B Show that a t is a linear combination of a and a Draw a diagram that represents 7 t t t a and a Yes you can look this up in my notes

Using Bairstow s Method generate up to 3 Bairstow s Table of the function f x 5x43x 2x 1 Use u 1 and v 2 Retain values to 4 decimal places

LUSSGITU negative nationa Cool Down Switch It

s re The end of a 30 inch pendulum describes an arc of 5 inches Through what angle in radians does the pendulum swing What is the correct second step A 30 56 8 30 B 5 D C 30 e 5 306

4 Find the area of an equilateral triangle that has side lengths of 8 cm Round your answer to the nearest tenth A b h A 64 cm B 32 cm C 32 3 cm D 16 3 cm E 8 3 cm OA OB C D OE

You need to spend exactly 1 and buy 40 stamps There are 3 kinds of stamps that cost 1 4 and 12 cents respectively How many stamps do you need to buy of each kind if you have at least one of each kind

finds the value of x y and z for x y z 2 2x y z 7 x 3y 2z 1

Decide the appropriate tax schedule from below for the given question Use the chosen tax schedule to answer the question Schedule X Use if your 2014 filing status is Single If line 5 is But not over Over SO 9 075 9 075 36 900 The tax is 10 907 50 15 36 900 89 350 5 081 25 25 28 18 193 75 89 350 186 350 186 350 405 100 45 353 75 33 405 100 406 750 117 541 25 35 406 750 39 6 118 118 75 of the amount over Schedule Z Use if your 2014 filing status is Head of household 0 9 075 36 900 89 350 If line 5 is Over But not over SO 12 950 12 950 49 400 49 400 127 550 127 550 206 600 206 600 405 100 186 350 405 100 432 200 405 100 432 200 406 750 The tax is 10 1 295 00 15 6 762 50 25 26 300 00 28 48 434 00 33 113 939 00 35 123 424 00 39 6 of the amount over SO 12 950 49 400 127 550 206 600 405 100 432 200 Fabio is not married and does not support any other individuals If he expects to earn 10 820 in taxable income from doing freelance painting what is his estimated tax amount rounded to the nearest allor Do not include a dollar sign in your answer

Let F s 1 18 0 03s represent the stopping distance in feet of a car travelling at a miles per hour Calculate F 65 at estimate the increase in stopping distance if speed is increased from 65 to 66 Compare your estimate with the actual increase F 65 feet Estimated increase in stopping distance Actual increase in stopping distance feet feet

Find an appropriate window setup that will show a good grapl y x 4 3 x 2 3

A dividend reinvestment plan DRIP investment portfolio B C risk tolerance D OTC market E F dollar cost averaging G Treasury bill H proxy money market mutual fund I J K L M N O bond yield stock capital gain bull market rate of return securities 1 Amount of uncertainty a person is willing to handle 2 Strategy of investing a fixed dollar amount at regular intervals 3 Allows investors to reinvest cash dividends by purchasing additional shares of stock 4 Collection of the investments a person has made 5 Amount of money earned on an investment usually expressed as an annual percentage 6 Stockholder s written authorization to have someone cast a vote on his or her behalf 7 Share in the ownership of a corporation 8 Virtual markets where stockbrokers conduct business through an electronic network computers and telephones 9 Certificate of debt issued by a corporation or government 10 Fund that deals only in interest paying short term investments such as certificates deposit and commercial paper 11 Short term debt with maturity ranging from a few days to 52 weeks 12 Extended period of rising stock prices

In supply and demand problems y is the number of items the supplier will produce or the public will buy if the price of the item is For a particular product The supply equation is y 3x 442 The demand equation is y 5x 610 Solve this system of equations to determine the point at which the two lines intersect Give your answer as an ordered pair The two lines intersect at What is the selling price when supply and demand are in equilibrium When supply and demand are in equilibrium the selling price per item is S What is the number of items in the market when supply and demand are in equilibrium items in the market when supply and demand are in equilibrium There are

Kyrie is 3 years older than Tanya In 4 the sum of ages 79 Kyrie now years old M A 5 E M D SMIRAS 20 Sp West S o wind O FAR 20 inn MAN 225

Which function below represents the inverse function of y 2 ln 3x 2 4 Oy 0 5 2 2 Oy 2 Oy 100 5 2 1 Oy 2

10 Apply Jacobi s method to the given the system Take the zero vector as initial approximation and work with four digit accuracy until two successive within 0 00 1 in each variable each variably gree O A 3 57 0 5721

14 matrix 3 9 5 2 35 an Lill factorization of the given LU 1 4 21 11

7 Solve the given system by solution X 54 2 7 y 2Z 1 back

Determine whether the graph is a function If it do range

b lim t e t t C lim 1 q 0 12y13 14y10 4y4 17890 y co 3y 3 15y 103y7 5y 13 d lim

Homework Ch 05 PRICE Dollars per room 500 450 400 350 300 250 200 150 100 50 0 0 Demand 50 100 150 200 250 300 350 400 450 500 QUANTITY Hotel rooms Market for Rivers s Hotel Rooms Price Dollars per room Quantity Demanded Hotel rooms per night Demand Factors Average Income Thousands of dollars Airfare from MSY to ACY Dollars per roundtrip Room Rate at Continental Dollars per night 350 150 50 200 250 For each of the following scenarios begin by assuming that all demand factors are set to their original values and per night If average household income increases by 20 from 50 000 to 60 000 per year the quantity of rooms demande rooms per night to rooms per night Therefore the income elasticity of demand is meanin 1 If the price of an airline ticket from MSY to ACY were to increase by 10 from 200 to 220 roundtrip while all oth

A B C and the universal set U Shade A C on the Venn diagram U B Al

Question 4 Points 1 Which of the following is NOT a tool used by labor unions to express dissatisfaction with management O Picketing O Boycotting O Striking Lockouts

Evaluate f g x and write the domain in Interval notation Write the answer in the intervals as an integer or simplified fractio f x x 1 Part 0 2 Part 1 of 2 f g x g x 00 13 2 36 09

Let n A 4 and n AUB 6 a What are the possible values of n B b If An B what is the only possible value of n B THE a The possible value s for n B is are Use a comma to separate answers as needed Use ascending order

Refer to the vectors below b 3 4 1 C Compute the indicated vector 3h 26 td c 1 4 1 d 1 1 3

Find the projection of v onto u u 1 4 1 8 1 4 V 22 2

Let TA R2 R be the matrix transformation corresponding to A 3 1 4 1 2 1 Find TA u and TA V where U 2 and v 3 2

Find an LU factorization of the given matrix 3 3 1 9 5 4 3

Solve the given system of equations using either Gaussian or Gauss Jordan elimination If there is no solution enter NO SOLUTION 2x2 3x3 13 X3 0 X1 3x x2 4x1 X X 2

Consider the vectors u and v u 1 4 1 8 1 4 V 2 2 2 J Find the dot products 1 u u

mework A woman borrowed 3900 from a ban a How much did the woman pay for t

work he Class 382 nine the due date of the loan usi ovember 6 for 120 days the loan Click the icon to view a table of the

rk h uses a loan program he the amount of mone

p 1200 r The interest is Round to the nearest ce

hapter 13 Aplia Assignment Format requirements for r sum s are as important as content in many situations Unattractive r sum s with keyboarding errors are evidence of carelessness lack of respect or poor academic background Your r sum format also needs to reflect employers preferences for presentation and delivery To accommodate employers preferences you ll need three versions of your r sum a print r sum a scannable r sum and a r sum designed to be accessed through email or websites Read the scenario about preparing a print r sum and then answer the question Liza is preparing for an important interview The potential employer asked her to bring a copy of her r sum with her to the interview Liza has never formatted a print r sum and asks for your advice What advice should you give Liza as she designs her print r sum for quick and easy reading Check all that apply Use a 10 point font or smaller to save space on the page Use attention getting headings graphic lines and borders to separate sections of text Include identification on each page of a multipage r sum Use type styles and print attributes to emphasize key points In the digital age of instant information many employers request information in various formats online Which of these options provides the best advice for posting an electronic r sum O Include references for easy background checks Post your r sum in as many locations as possible Choose where to post your r sum with a great deal of thought and purpose