College Algebra & Trigonometry - Standalone book
1st Edition
ISBN: 9780078035623
Author: Julie Miller, Donna Gerken
Publisher: McGraw-Hill Education
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Chapter 9.1, Problem 26PE
To determine
Tocalculate : To solve the given system of equation by using addition method.
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2. A microwave manufacturing firm has determined that their profit function is P(x)=-0.0014x+0.3x²+6x-355 , where is the number of microwaves sold annually. a. Graph the profit function using a calculator. b. Determine a reasonable viewing window for the function. c. Approximate all of the zeros of the function using the CALC menu of your calculator. d. What must be the range of microwaves sold in order for the firm to profit?
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Chapter 9 Solutions
College Algebra & Trigonometry - Standalone book
Ch. 9.1 - For Exercises R.1-R.4, solve the equation. R.1...Ch. 9.1 - Prob. R.2PECh. 9.1 - For Exercises R.1-R.4, solve the equation. R.3...Ch. 9.1 - Prob. R.4PECh. 9.1 - Graph the equation and identify the x and y-...Ch. 9.1 - Prob. R.6PECh. 9.1 - Prob. 1PECh. 9.1 - Prob. 2PECh. 9.1 - Prob. 3PECh. 9.1 - Prob. 4PE
Ch. 9.1 - A system of equations that has no solution is...Ch. 9.1 - A system of linear equations in two variables may...Ch. 9.1 - For Exercises 7-10, determine if the ordered pair...Ch. 9.1 - Prob. 8PECh. 9.1 - For Exercises 7-10, determine if the ordered pair...Ch. 9.1 - Prob. 10PECh. 9.1 - For Exercises 11-14, a system of equations is...Ch. 9.1 - For Exercises 11-14, a system of equations is...Ch. 9.1 - Prob. 13PECh. 9.1 - Prob. 14PECh. 9.1 - For Exercises 15-20, solve the system of equations...Ch. 9.1 - Prob. 16PECh. 9.1 - For Exercises 15-20, solve the system of equations...Ch. 9.1 - Prob. 18PECh. 9.1 - For Exercises 15-20, solve the system of equations...Ch. 9.1 - Prob. 20PECh. 9.1 - For Exercises 21-28, solve the system of equations...Ch. 9.1 - Prob. 22PECh. 9.1 - For Exercises 21-28, solve the system of equations...Ch. 9.1 - Prob. 24PECh. 9.1 - For Exercises 21-28, solve the system of equations...Ch. 9.1 - Prob. 26PECh. 9.1 - For Exercises 21-28, solve the system of equations...Ch. 9.1 - Prob. 28PECh. 9.1 - For Exercises 2934, solve the system by using any...Ch. 9.1 - Prob. 30PECh. 9.1 - For Exercises 2934, solve the system by using any...Ch. 9.1 - Prob. 32PECh. 9.1 - Prob. 33PECh. 9.1 - Prob. 34PECh. 9.1 - For Exercises 3536, Write the general solution....Ch. 9.1 - For Exercises 3536, Write the general solution....Ch. 9.1 - Prob. 37PECh. 9.1 - Prob. 38PECh. 9.1 - For Exercises 3750, solve the system using any...Ch. 9.1 - Prob. 40PECh. 9.1 - Prob. 41PECh. 9.1 - Prob. 42PECh. 9.1 - Prob. 43PECh. 9.1 - Prob. 44PECh. 9.1 - Prob. 45PECh. 9.1 - Prob. 46PECh. 9.1 - Prob. 47PECh. 9.1 - Prob. 48PECh. 9.1 - Prob. 49PECh. 9.1 - Prob. 50PECh. 9.1 - One antifreeze solution is 36% alcohol and another...Ch. 9.1 - Prob. 52PECh. 9.1 - A radiator has 16 L of a 36% antifreeze solution....Ch. 9.1 - Prob. 54PECh. 9.1 - Michelle borrows a total of $5000 in student loans...Ch. 9.1 - Prob. 56PECh. 9.1 - Prob. 57PECh. 9.1 - A total of $6000 is invested for 5 yr with a total...Ch. 9.1 - Monique and Tara each make an ice cream sundae....Ch. 9.1 - Prob. 60PECh. 9.1 - Prob. 61PECh. 9.1 - The average of an electrician's hourly wage and a...Ch. 9.1 - A moving sidewalk in an airport moves people...Ch. 9.1 - Prob. 64PECh. 9.1 - Prob. 65PECh. 9.1 - Prob. 66PECh. 9.1 - A cleaning company charges $100 for each office it...Ch. 9.1 - Prob. 68PECh. 9.1 - For Exercises 6970, refer to Figure 9-1 and the...Ch. 9.1 - Prob. 70PECh. 9.1 - Prob. 71PECh. 9.1 - Prob. 72PECh. 9.1 - Prob. 73PECh. 9.1 - Prob. 74PECh. 9.1 - Two angles are complementary. The measure of one...Ch. 9.1 - Prob. 76PECh. 9.1 - For Exercises 7778, find the measure of angles x...Ch. 9.1 - Prob. 78PECh. 9.1 - Prob. 79PECh. 9.1 - Prob. 80PECh. 9.1 - Prob. 81PECh. 9.1 - Prob. 82PECh. 9.1 - Prob. 83PECh. 9.1 - Prob. 84PECh. 9.1 - Prob. 85PECh. 9.1 - Prob. 86PECh. 9.1 - Prob. 87PECh. 9.1 - Prob. 88PECh. 9.1 - Prob. 89PECh. 9.1 - Prob. 90PECh. 9.1 - Prob. 91PECh. 9.1 - Prob. 92PECh. 9.1 - Prob. 93PECh. 9.1 - Prob. 94PECh. 9.1 - Prob. 95PECh. 9.1 - Prob. 96PECh. 9.1 - Prob. 97PECh. 9.1 - Prob. 98PECh. 9.1 - Prob. 99PECh. 9.2 - How much interest will Roxanne have to pay if she...Ch. 9.2 - Prob. R.2PECh. 9.2 - Prob. R.3PECh. 9.2 - Prob. 1PECh. 9.2 - Prob. 2PECh. 9.2 - Prob. 3PECh. 9.2 - Prob. 4PECh. 9.2 - For Exercises 5-8, determine if the ordered triple...Ch. 9.2 - Prob. 6PECh. 9.2 - Prob. 7PECh. 9.2 - Prob. 8PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 10PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 12PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 14PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 16PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 18PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 20PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 22PECh. 9.2 - Prob. 23PECh. 9.2 - Prob. 24PECh. 9.2 - For Exercises 9-32, solve the system. If a system...Ch. 9.2 - Prob. 26PECh. 9.2 - Prob. 27PECh. 9.2 - Prob. 28PECh. 9.2 - Prob. 29PECh. 9.2 - Prob. 30PECh. 9.2 - Prob. 31PECh. 9.2 - Prob. 32PECh. 9.2 - Prob. 33PECh. 9.2 - Prob. 34PECh. 9.2 - Prob. 35PECh. 9.2 - Prob. 36PECh. 9.2 - Prob. 37PECh. 9.2 - Prob. 38PECh. 9.2 - Devon invested $8000 in three different mutual...Ch. 9.2 - Prob. 40PECh. 9.2 - A basketball player scored 26 points in one game....Ch. 9.2 - Prob. 42PECh. 9.2 - Prob. 43PECh. 9.2 - Prob. 44PECh. 9.2 - Prob. 45PECh. 9.2 - Prob. 46PECh. 9.2 - The measure of the largest angle in a triangle is...Ch. 9.2 - Prob. 48PECh. 9.2 - a. Show that the points (l, 0), (3, 10), and (-2,...Ch. 9.2 - Prob. 50PECh. 9.2 - For Exercises 51-52, find an equation of the form...Ch. 9.2 - For Exercises 51-52, find an equation of the form...Ch. 9.2 - Prob. 53PECh. 9.2 - Prob. 54PECh. 9.2 - Prob. 55PECh. 9.2 - Many statistics courses cover a topic called...Ch. 9.2 - Prob. 57PECh. 9.2 - Prob. 58PECh. 9.2 - Prob. 59PECh. 9.2 - Prob. 60PECh. 9.2 - Prob. 61PECh. 9.2 - Prob. 62PECh. 9.2 - Prob. 63PECh. 9.2 - Prob. 64PECh. 9.2 - Prob. 65PECh. 9.2 - Prob. 66PECh. 9.2 - Prob. 67PECh. 9.2 - Prob. 68PECh. 9.3 - Prob. R.1PECh. 9.3 - Prob. R.2PECh. 9.3 - Prob. R.3PECh. 9.3 - Prob. R.4PECh. 9.3 - Prob. R.5PECh. 9.3 - Prob. 1PECh. 9.3 - Prob. 2PECh. 9.3 - Prob. 3PECh. 9.3 - Prob. 4PECh. 9.3 - Prob. 5PECh. 9.3 - Prob. 6PECh. 9.3 - Prob. 7PECh. 9.3 - Prob. 8PECh. 9.3 - Prob. 9PECh. 9.3 - Prob. 10PECh. 9.3 - Prob. 11PECh. 9.3 - Prob. 12PECh. 9.3 - Prob. 13PECh. 9.3 - Prob. 14PECh. 9.3 - Prob. 15PECh. 9.3 - Prob. 16PECh. 9.3 - Prob. 17PECh. 9.3 - Prob. 18PECh. 9.3 - Prob. 19PECh. 9.3 - Prob. 20PECh. 9.3 - Prob. 21PECh. 9.3 - Prob. 22PECh. 9.3 - Prob. 23PECh. 9.3 - Prob. 24PECh. 9.3 - Prob. 25PECh. 9.3 - Prob. 26PECh. 9.3 - Prob. 27PECh. 9.3 - Prob. 28PECh. 9.3 - Prob. 29PECh. 9.3 - Prob. 30PECh. 9.3 - Prob. 31PECh. 9.3 - Prob. 32PECh. 9.3 - Prob. 33PECh. 9.3 - Prob. 34PECh. 9.3 - Prob. 35PECh. 9.3 - Prob. 36PECh. 9.3 - Prob. 37PECh. 9.3 - Prob. 38PECh. 9.3 - Prob. 39PECh. 9.3 - Prob. 40PECh. 9.3 - Prob. 41PECh. 9.3 - Prob. 42PECh. 9.3 - Prob. 43PECh. 9.3 - Prob. 44PECh. 9.3 - Prob. 45PECh. 9.3 - Prob. 46PECh. 9.3 - Prob. 47PECh. 9.3 - Prob. 48PECh. 9.3 - Prob. 49PECh. 9.3 - Prob. 50PECh. 9.3 - Prob. 51PECh. 9.3 - Prob. 52PECh. 9.3 - Prob. 53PECh. 9.3 - Prob. 54PECh. 9.3 - Prob. 55PECh. 9.3 - Prob. 56PECh. 9.4 - For Exercises R.1-R.3, graph the equation. R.1....Ch. 9.4 - Prob. R.2PECh. 9.4 - Prob. R.3PECh. 9.4 - Prob. R.4PECh. 9.4 - Prob. R.5PECh. 9.4 - Prob. 1PECh. 9.4 - Prob. 2PECh. 9.4 - For Exercises 3-14, a. Graph the equations in the...Ch. 9.4 - Prob. 4PECh. 9.4 - Prob. 5PECh. 9.4 - Prob. 6PECh. 9.4 - For Exercises 3-14, a. Graph the equations in the...Ch. 9.4 - Prob. 8PECh. 9.4 - Prob. 9PECh. 9.4 - Prob. 10PECh. 9.4 - For Exercises 3-14, a. Graph the equations in the...Ch. 9.4 - Prob. 12PECh. 9.4 - For Exercises 3-14, a. Graph the equations in the...Ch. 9.4 - Prob. 14PECh. 9.4 - Prob. 15PECh. 9.4 - Prob. 16PECh. 9.4 - For Exercises 15-22, solve the system by using the...Ch. 9.4 - Prob. 18PECh. 9.4 - Prob. 19PECh. 9.4 - Prob. 20PECh. 9.4 - Prob. 21PECh. 9.4 - Prob. 22PECh. 9.4 - Prob. 23PECh. 9.4 - Prob. 24PECh. 9.4 - Prob. 25PECh. 9.4 - Prob. 26PECh. 9.4 - Prob. 27PECh. 9.4 - Prob. 28PECh. 9.4 - Prob. 29PECh. 9.4 - Prob. 30PECh. 9.4 - Prob. 31PECh. 9.4 - Prob. 32PECh. 9.4 - Prob. 33PECh. 9.4 - Prob. 34PECh. 9.4 - Prob. 35PECh. 9.4 - Prob. 36PECh. 9.4 - Find two numbers whose sum is 12 and whose product...Ch. 9.4 - Prob. 38PECh. 9.4 - Prob. 39PECh. 9.4 - Prob. 40PECh. 9.4 - Prob. 41PECh. 9.4 - Prob. 42PECh. 9.4 - Prob. 43PECh. 9.4 - Prob. 44PECh. 9.4 - Prob. 45PECh. 9.4 - Prob. 46PECh. 9.4 - Prob. 47PECh. 9.4 - Prob. 48PECh. 9.4 - Prob. 49PECh. 9.4 - Prob. 50PECh. 9.4 - Prob. 51PECh. 9.4 - Prob. 52PECh. 9.4 - Prob. 53PECh. 9.4 - Prob. 54PECh. 9.4 - Prob. 55PECh. 9.4 - Prob. 56PECh. 9.4 - Prob. 57PECh. 9.4 - Prob. 58PECh. 9.4 - Prob. 59PECh. 9.4 - Prob. 60PECh. 9.4 - Prob. 61PECh. 9.4 - Prob. 62PECh. 9.4 - Prob. 63PECh. 9.4 - Prob. 64PECh. 9.4 - Prob. 65PECh. 9.4 - Prob. 66PECh. 9.4 - Prob. 67PECh. 9.4 - Prob. 68PECh. 9.4 - Prob. 69PECh. 9.4 - Prob. 70PECh. 9.4 - Prob. 71PECh. 9.4 - Prob. 72PECh. 9.4 - Prob. 73PECh. 9.4 - Prob. 74PECh. 9.4 - Prob. 75PECh. 9.4 - Prob. 76PECh. 9.4 - Prob. 77PECh. 9.4 - Prob. 78PECh. 9.4 - Prob. 79PECh. 9.4 - Prob. 80PECh. 9.5 - Use the graph to solve the equation and...Ch. 9.5 - Prob. 1PECh. 9.5 - Prob. 2PECh. 9.5 - Prob. 3PECh. 9.5 - Prob. 4PECh. 9.5 - Prob. 5PECh. 9.5 - Prob. 6PECh. 9.5 - Prob. 7PECh. 9.5 - Prob. 8PECh. 9.5 - Prob. 9PECh. 9.5 - Prob. 10PECh. 9.5 - Prob. 11PECh. 9.5 - Prob. 12PECh. 9.5 - Prob. 13PECh. 9.5 - Prob. 14PECh. 9.5 - Prob. 15PECh. 9.5 - Prob. 16PECh. 9.5 - Prob. 17PECh. 9.5 - Prob. 18PECh. 9.5 - Prob. 19PECh. 9.5 - Prob. 20PECh. 9.5 - Prob. 21PECh. 9.5 - Prob. 22PECh. 9.5 - Prob. 23PECh. 9.5 - Prob. 24PECh. 9.5 - Prob. 25PECh. 9.5 - Prob. 26PECh. 9.5 - Prob. 27PECh. 9.5 - Prob. 28PECh. 9.5 - Prob. 29PECh. 9.5 - Prob. 30PECh. 9.5 - Prob. 31PECh. 9.5 - Prob. 32PECh. 9.5 - Prob. 33PECh. 9.5 - Prob. 34PECh. 9.5 - Prob. 35PECh. 9.5 - Prob. 36PECh. 9.5 - Prob. 37PECh. 9.5 - Prob. 38PECh. 9.5 - Prob. 39PECh. 9.5 - Prob. 40PECh. 9.5 - Prob. 41PECh. 9.5 - Prob. 42PECh. 9.5 - Prob. 43PECh. 9.5 - Prob. 44PECh. 9.5 - Prob. 45PECh. 9.5 - Prob. 46PECh. 9.5 - Prob. 47PECh. 9.5 - Prob. 48PECh. 9.5 - Prob. 49PECh. 9.5 - Prob. 50PECh. 9.5 - Prob. 51PECh. 9.5 - Prob. 52PECh. 9.5 - Prob. 53PECh. 9.5 - For Exercises 41-58, graph the solution set. If...Ch. 9.5 - For Exercises 41-58, graph the solution set. If...Ch. 9.5 - Prob. 56PECh. 9.5 - For Exercises 41-58, graph the solution set. If...Ch. 9.5 - For Exercises 41-58, graph the solution set. If...Ch. 9.5 - Prob. 59PECh. 9.5 - Prob. 60PECh. 9.5 - Prob. 61PECh. 9.5 - Prob. 62PECh. 9.5 - Prob. 63PECh. 9.5 - Prob. 64PECh. 9.5 - Prob. 65PECh. 9.5 - Prob. 66PECh. 9.5 - Prob. 67PECh. 9.5 - Prob. 68PECh. 9.5 - Prob. 69PECh. 9.5 - Prob. 70PECh. 9.5 - Prob. 71PECh. 9.5 - Prob. 72PECh. 9.5 - Prob. 73PECh. 9.5 - Prob. 74PECh. 9.5 - Prob. 75PECh. 9.5 - Explain how test points are used to determine the...Ch. 9.5 - Prob. 77PECh. 9.5 - Prob. 78PECh. 9.5 - Prob. 79PECh. 9.5 - Prob. 80PECh. 9.5 - Prob. 81PECh. 9.5 - Prob. 82PECh. 9.6 - A salesperson makes a base salary of $500 per week...Ch. 9.6 - A luxury car rental company charges $123 per day...Ch. 9.6 - The process that maximizes or minimizes a function...Ch. 9.6 - The function to be optimized in a linear...Ch. 9.6 - The region in the plane that represents the...Ch. 9.6 - The points of intersection of a feasible region...Ch. 9.6 - Prob. 5PECh. 9.6 - Prob. 6PECh. 9.6 - Prob. 7PECh. 9.6 - Prob. 8PECh. 9.6 - Prob. 9PECh. 9.6 - Prob. 10PECh. 9.6 - Prob. 11PECh. 9.6 - Prob. 12PECh. 9.6 - Prob. 13PECh. 9.6 - Prob. 14PECh. 9.6 - Prob. 15PECh. 9.6 - Prob. 16PECh. 9.6 - Prob. 17PECh. 9.6 - Prob. 18PECh. 9.6 - Prob. 19PECh. 9.6 - Prob. 20PECh. 9.6 - Prob. 21PECh. 9.6 - Guyton makes $24/hr tutoring chemistry and $20/hr...Ch. 9.6 - A plant nursery sells two sizes of oak trees to...Ch. 9.6 - A sporting goods store sells two types of exercise...Ch. 9.6 - Prob. 25PECh. 9.6 - A large department store needs at least 3600 labor...Ch. 9.6 - A manufacturer produces two models of a gas grill....Ch. 9.6 - Prob. 28PECh. 9.6 - A farmer has 1200 acres ofland and plans to plant...Ch. 9.6 - Prob. 30PECh. 9.6 - Prob. 31PECh. 9.6 - Prob. 32PECh. 9.6 - Prob. 33PECh. 9.6 - Prob. 34PECh. 9 - For Exercises 1-2, for parts (a) and (b), graph...Ch. 9 - For Exercises 1-2, for parts (a) and (b), graph...Ch. 9 - Prob. 3PRECh. 9 - Prob. 4PRECh. 9 - Prob. 1RECh. 9 - Prob. 2RECh. 9 - Prob. 3RECh. 9 - Prob. 4RECh. 9 - Prob. 5RECh. 9 - Prob. 6RECh. 9 - Prob. 7RECh. 9 - Prob. 8RECh. 9 - Prob. 9RECh. 9 - Prob. 10RECh. 9 - Prob. 11RECh. 9 - Prob. 12RECh. 9 - Prob. 13RECh. 9 - Prob. 14RECh. 9 - Prob. 15RECh. 9 - Prob. 16RECh. 9 - Prob. 17RECh. 9 - Prob. 18RECh. 9 - Emily receives an inheritance of $20,000 and...Ch. 9 - Prob. 20RECh. 9 - For Exercises 20-21, use a system of linear...Ch. 9 - Prob. 22RECh. 9 - Prob. 23RECh. 9 - Prob. 24RECh. 9 - Prob. 25RECh. 9 - Prob. 26RECh. 9 - Prob. 27RECh. 9 - Prob. 28RECh. 9 - Prob. 29RECh. 9 - Prob. 30RECh. 9 - Prob. 31RECh. 9 - Prob. 32RECh. 9 - Prob. 33RECh. 9 - Prob. 34RECh. 9 - Prob. 35RECh. 9 - Prob. 36RECh. 9 - Prob. 37RECh. 9 - The sum of the squares of two negative numbers is...Ch. 9 - Prob. 39RECh. 9 - Prob. 40RECh. 9 - Prob. 41RECh. 9 - Prob. 42RECh. 9 - Prob. 43RECh. 9 - Prob. 44RECh. 9 - Prob. 45RECh. 9 - Prob. 46RECh. 9 - Prob. 47RECh. 9 - Prob. 48RECh. 9 - Prob. 49RECh. 9 - Prob. 50RECh. 9 - Prob. 51RECh. 9 - Prob. 52RECh. 9 - Prob. 53RECh. 9 - Prob. 54RECh. 9 - Prob. 55RECh. 9 - Prob. 56RECh. 9 - Prob. 57RECh. 9 - A fitness instructor wants to mix two brands...Ch. 9 - Prob. 1TCh. 9 - Prob. 2TCh. 9 - Prob. 3TCh. 9 - Prob. 4TCh. 9 - Prob. 5TCh. 9 - Prob. 6TCh. 9 - Prob. 7TCh. 9 - Prob. 8TCh. 9 - Prob. 9TCh. 9 - Prob. 10TCh. 9 - Prob. 11TCh. 9 - Prob. 12TCh. 9 - Prob. 13TCh. 9 - Prob. 14TCh. 9 - Prob. 15TCh. 9 - Prob. 16TCh. 9 - Prob. 17TCh. 9 - Prob. 18TCh. 9 - Prob. 19TCh. 9 - Prob. 20TCh. 9 - Use a system of linear equations in three...Ch. 9 - Prob. 22TCh. 9 - Prob. 23TCh. 9 - Prob. 24TCh. 9 - Prob. 25TCh. 9 - Prob. 26TCh. 9 - Prob. 27TCh. 9 - Prob. 28TCh. 9 - Prob. 29TCh. 9 - Prob. 30TCh. 9 - Prob. 31TCh. 9 - Prob. 32TCh. 9 - Prob. 33TCh. 9 - Prob. 34TCh. 9 - Prob. 35TCh. 9 - Prob. 36TCh. 9 - A weight lifter wants to mix two types of protein...Ch. 9 - Prob. 1CRECh. 9 - Prob. 2CRECh. 9 - Prob. 3CRECh. 9 - Prob. 4CRECh. 9 - Prob. 5CRECh. 9 - Prob. 6CRECh. 9 - Prob. 7CRECh. 9 - Prob. 8CRECh. 9 - Prob. 9CRECh. 9 - Prob. 10CRECh. 9 - Prob. 11CRECh. 9 - Prob. 12CRECh. 9 - Prob. 13CRECh. 9 - Prob. 14CRECh. 9 - Prob. 15CRECh. 9 - Prob. 16CRECh. 9 - Prob. 17CRECh. 9 - Prob. 18CRECh. 9 - Prob. 19CRECh. 9 - Prob. 20CRECh. 9 - Prob. 21CRECh. 9 - Prob. 22CRE
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- 3. Let 4 0 0 00 0 0 1.2 0 00 0 0 0 -10.1 0 0 0 D = 0 0 0 00 0 0 0 0 05 0 0 0 0 0 0 2.8 Either explicitly compute D-¹ or explain why it doesn't exist.arrow_forward4. [9 points] Assume that B, C, E are all 3 x 3 matrices such that BC == -64 -1 0 3 4 4 4 -2 2 CB=-1-2 4 BE -2 1 3 EC = 1 3 2 -7, 1 6 -6 2-5 -7 -2 Explicitly compute the following by hand. (I.e., write out the entries of the 3 × 3 matrix.) (a) [3 points] B(E+C) (b) [3 points] (E+B)C (c) [3 points] ETBTarrow_forward6. Consider the matrices G = 0 (3) -3\ -3 2 and H = -1 2 0 5 0 5 5 noting that H(:, 3) = 2H(:,1) + H(:, 2). Is G invertible? Explain your answer. Is H invertible? Explain your answer. Use co-factor expansion to find the determinant of H. (Hint: expand the 2nd or 3rd row)arrow_forward
- For the matrix A = = ( 6 }) . explicitly compute by hand (with work shown) the following. I2A, where I2 is the 2 × 2 identity matrix. A-1 solving the following linear systems by using A-¹: c+y= 1 y = 1 (d) (e) (f) A² find the diagonal entries of Aarrow_forwardIf 3x−y=12, what is the value of 8x / 2y A) 212B) 44C) 82D) The value cannot be determined from the information given.arrow_forwardC=59(F−32) The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true? A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of 59 degree Celsius. A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit. A temperature increase of 59 degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius. A) I onlyB) II onlyC) III onlyD) I and II onlyarrow_forward
- (1) Let F be a field, show that the vector space F,NEZ* be a finite dimension. (2) Let P2(x) be the vector space of polynomial of degree equal or less than two and M={a+bx+cx²/a,b,cЄ R,a+b=c),show that whether Mis hyperspace or not. (3) Let A and B be a subset of a vector space such that ACB, show that whether: (a) if A is convex then B is convex or not. (b) if B is convex then A is convex or not. (4) Let R be a field of real numbers and X=R, X is a vector space over R show that by definition the norms/II.II, and II.112 on X are equivalent where Ilxll₁ = max(lx,l, i=1,2,...,n) and llxll₂=(x²). oper (5) Let Ⓡ be a field of real numbers, Ⓡis a normed space under usual operations and norm, let E=(2,5,8), find int(E), b(E) and D(E). (6) Write the definition of bounded linear function between two normed spaces and write with prove the relation between continuous and bounded linear function between two normed spaces.arrow_forwardind → 6 Q₁/(a) Let R be a field of real numbers and X-P(x)=(a+bx+cx²+dx/ a,b,c,dER},X is a vector space over R, show that is finite dimension. (b) Let be a bijective linear function from a finite dimension vector ✓ into a space Yand Sbe a basis for X, show that whether f(S) basis for or not. (c) Let be a vector space over a field F and A,B)affine subsets of X,show that whether aAn BB, aAU BB be affine subsets of X or not, a,ẞ EF. (12 Jal (answer only two) (6) Let M be a non-empty subset of a vector space X and tEX, show that M is a hyperspace of X iff t+M is a hyperplane of X and tЄt+M. (b) State Jahn-Banach theorem and write with prove an application of Hahn-arrow_forward(b) Let A and B be two subset of a linear space X such that ACB, show that whether if A is affine set then B affine or need not and if B affine set then A affine set or need not. Qz/antonly be a-Show that every hyperspace of a vecor space X is hyperplane but the convers need not to be true. b- Let M be a finite dimension subspace of a Banach space X show that M is closed set. c-Show that every two norms on finite dimension vector space are equivant (1) Q/answer only two a-Write the definition of bounded set in: a normed space and write with prove an equivalent statement to a definition. b- Let f be a function from a normed space X into a normed space Y, show that f continuous iff f is bounded. c-Show that every finite dimension normed space is a Banach. Q/a- Let A and B two open sets in a normed space X, show that by definition AnB and AUB are open sets. (1 nood truearrow_forward
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