Pearson eText for Finite Mathematics & ...12th EditionLarry Goldstein, David Schneider Publisher: PEARSON+ISBN: 9780137442966
Pearson eText for Finite Mathematics & ...
Solutions for Pearson eText for Finite Mathematics & Its Applications -- Instant Access (Pearson+)
Problem 1CYU:
Suppose that the revenue y from selling x units of a certain commodity is given by the formula....Problem 2CYU:
Suppose that the revenue y from selling x units of a certain commodity is given by the formula y=4x....Problem 7E:
In Exercises 710, plot each pair of points, draw the straight line through them, and find its slope....Problem 8E:
In Exercises 710, plot each pair of points, draw the straight line through them, and find its slope....Problem 9E:
In Exercises 7–10, plot each pair of points, draw the straight line through them, and find its...Problem 10E:
In Exercises 710, plot each pair of points, draw the straight line through them, and find its slope....Problem 12E:
Why doesnt it make sense to talk about the slope of the line between the two points (2,3)and(2,1) ?Problem 13E:
In Exercises 1316, graph the given linear equation by beginning at the y-intercept, and moving 1...Problem 14E:
In Exercises 13–16, graph the given linear equation by beginning at the y-intercept, and moving 1...Problem 15E:
In Exercises 1316, graph the given linear equation by beginning at the y-intercept, and moving 1...Problem 16E:
In Exercises 1316, graph the given linear equation by beginning at the y-intercept, and moving 1...Problem 17E:
In Exercises 17–24, find the equation of line L
17.
Problem 18E:
In Exercises 17–24, find the equation of line L
18.
Problem 19E:
In Exercises 17–24, find the equation of line L
19.
Problem 20E:
In Exercises 1724, find the equation of line LProblem 29E:
29. Find the equation of the line passing through the point and parallel to the x-axis.
Problem 34E:
Find the equation of the line passing through the point (1,4) and having y-intercept (0,4).Problem 35E:
35. Cost Curve A manufacturer has fixed costs (such as rent and insurance) of $2000 per month. The...Problem 36E:
Demand Curve The price p that must be set in order to sell q items is given by the equation...Problem 37E:
37. Boiling Point of Water At sea level, water boils at a temperature of. As the altitude...Problem 38E:
Cricket Chirps Biologists have found that the number of chirps that crickets of a certain species...Problem 40E:
Exercises 4042 are related. Cost Equation Suppose that the total cost y of making x coats is given...Problem 41E:
Exercises 40–42 are related.
41. Revenue Equation Suppose that the total revenue y from the sale of...Problem 42E:
Exercises 4042 are related. Profit Equation Consider a coat factory with the cost and revenue...Problem 44E:
Cash Reserves A corporation receives payment for a large contract on July 1, bringing its cash...Problem 45E:
45. Weekly Pay A furniture salesperson earns $220 a week plus 10% commission on her sales. Let x...Problem 46E:
46. Weekly Pay A salesperson’s weekly pay depends on the volume of sales. If she sells x units of...Problem 47E:
In Exercises 47–58, find an equation for each of the following lines.
47. Slope is; y-intercept...Problem 48E:
In Exercises 47–58, find an equation for each of the following lines.
48. Slope is 3; y-intercept...Problem 49E:
In Exercises 4758, find an equation for each of the following lines. Slope is 13; (6,2) on line.Problem 50E:
In Exercises 4758, find an equation for each of the following lines. Slope is 1; (1,2) on line.Problem 51E:
In Exercises 47–58, find an equation for each of the following lines.
51. Slope is; on line.
Problem 52E:
In Exercises 4758, find an equation for each of the following lines. Slope is 7; (5,0) on line.Problem 53E:
In Exercises 47–58, find an equation for each of the following lines.
53. Slope is; on line.
Problem 54E:
In Exercises 4758, find an equation for each of the following lines. Slope is 0; (7,4) on line.Problem 55E:
In Exercises 4758, find an equation for each of the following lines. (5,3)and(1,3) on line.Problem 60E:
In each of Exercises 5962, we specify a line by giving the slope and one point on the line. We give...Problem 72E:
72. Dating of Artifacts An archaeologist dates a bone fragment discovered at a depth of 4 feet as...Problem 74E:
74. College Enrollments Two-year college enrollments increased from 5.9 million in 2000 to 7.0...Problem 75E:
Gas Mileage A certain car gets 25 miles per gallon when the tires are properly inflated. For every...Problem 76E:
76. Home Health Aid Jobs According to the U.S. Department of Labor, home health aide jobs are...Problem 78E:
Pizza Stores According to Pizza Marketing Quarterly, the number of U.S. Dominos Pizza stores grew...Problem 79E:
79. Super Bowl Commercials The average cost of a 30-second advertising slot during the Super Bowl...Problem 80E:
80. Straight-Line Depreciation A multi-function laser printer purchased for $3000 depreciates to a...Problem 81E:
Supply Curve Suppose that 5 million tons of apples will be supplied at a price of $3000 per ton and...Problem 82E:
Demand Curve Suppose that 5 million tons of apples will be demanded at a price of $3000 per ton and...Problem 85E:
Find the value of a for which the line through the points (a,1)and(2,3.1) is parallel to the line...Problem 87E:
Prove the parallel property. [Hint: If y=mx+bandy=mx+b are the equations of two lines, then the two...Problem 91E:
91. Costs and Revenue A T-shirt company has fixed costs of $25,000 per year. Each T-shirt costs...Problem 92E:
92. Costs and Revenue A company produces a single product for which variable costs are $100 per unit...Problem 93E:
Demand and Revenue Suppose that the quantity q of a certain brand of mountain bike sold each week...Problem 94E:
94. Demand and Revenue Suppose that the number n of single-use cameras sold each month varies with...Problem 95E:
Setting a Price During 2015, a manufacturer produced 50,000 items that sold for $100 each. The...Browse All Chapters of This Textbook
Chapter 1 - Linear Equations And Straight LinesChapter 1.1 - Coordinate Systems And GraphsChapter 1.2 - The Slope Of A Straight LineChapter 1.3 - The Intersection Point Of A Pair Of LinesChapter 1.4 - The Method Of Least SquaresChapter 2 - MatricesChapter 2.1 - Systems Of Linear Equations With Unique SolutionsChapter 2.2 - General Systems Of Linear EquationsChapter 2.3 - Arithmetic Operations On MatricesChapter 2.4 - The Inverse Of A Square Matrix
Chapter 2.5 - The Gauss–jordan Method For Calculating InversesChapter 2.6 - Input–output AnalysisChapter 3 - Linear Programming, A Geometric ApproachChapter 3.1 - Linear InequalitiesChapter 3.2 - A Linear Programming ProblemChapter 3.3 - Fundamental Theorem Of Linear ProgrammingChapter 3.4 - Linear ProgrammingChapter 4 - The Simplex MethodChapter 4.1 - Slack Variables And The Simplex TableauChapter 4.2 - The Simplex Method I: Maximum ProblemsChapter 4.3 - The Simplex Method Ii: Nonstandard And Minimum ProblemsChapter 4.4 - Sensitivity Analysis And Matrix Formulations Of Linear Programming ProblemsChapter 4.5 - DualityChapter 5 - Sets And CountingChapter 5.1 - SetsChapter 5.2 - A Fundamental Principle Of CountingChapter 5.3 - Venn Diagrams And CountingChapter 5.4 - The Multiplication PrincipleChapter 5.5 - Permutations And CombinationsChapter 5.6 - Further Counting TechniquesChapter 5.7 - The Binomial TheoremChapter 5.8 - Multinomial Coefficients And PartitionsChapter 6 - ProbabilityChapter 6.1 - Experiments, Outcomes, Sample Spaces, And EventsChapter 6.2 - Assignment Of ProbabilitiesChapter 6.3 - Calculating Probabilities Of EventsChapter 6.4 - Conditional Probability And IndependenceChapter 6.5 - Tree DiagramsChapter 6.6 - Bayes’ Theorem, Natural FrequenciesChapter 6.7 - SimulationChapter 7 - Probability And StatisticsChapter 7.1 - Visual Representations Of DataChapter 7.2 - Frequency And Probability DistributionsChapter 7.3 - Binomial TrialsChapter 7.4 - The MeanChapter 7.5 - The Variance And Standard DeviationChapter 7.6 - The Normal DistributionChapter 7.7 - Normal Approximation To The Binomial DistributionChapter 8 - Markov ProcessesChapter 8.1 - The Transition MatrixChapter 8.2 - Regular Stochastic MatricesChapter 8.3 - Absorbing Stochastic MatricesChapter 9 - The Theory Of GamesChapter 9.1 - Games And StrategiesChapter 9.2 - Mixed StrategiesChapter 9.3 - Determining Optimal Mixed StrategiesChapter 10 - The Mathematics Of FinanceChapter 10.1 - InterestChapter 10.2 - AnnuitiesChapter 10.3 - Amortization Of LoansChapter 10.4 - Personal Financial DecisionsChapter 10.5 - A Unifying EquationChapter 11 - LogicChapter 11.1 - Introduction To LogicChapter 11.2 - Truth TablesChapter 11.3 - ImplicationChapter 11.4 - Logical Implication And EquivalenceChapter 11.5 - Valid ArgumentChapter 11.6 - Predicate CalculusChapter 11.7 - Logic CircuitsChapter 12 - Difference Equations And Mathematical ModelsChapter 12.1 - Introduction To Difference EquationsChapter 12.2 - Difference Equations And InterestChapter 12.3 - Graphing Difference EquationsChapter 12.4 - Mathematics Of Personal FinanceChapter 12.5 - Modeling With Difference Equations
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