Algebra and Trigonometry with Analytic Geometry, Classic Edition
12th Edition
ISBN: 9780495559719
Author: Earl Swokowski, Jeffery A. Cole
Publisher: Cengage Learning
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Chapter 3.6, Problem 40E
a.
To determine
To find:the most economical speed for trip.
b.
To determine
To find:the largest value of M.
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Question 1. Solve the system
-
x1 x2 + 3x3 + 2x4
-x1 + x22x3 + x4
2x12x2+7x3+7x4
Question 2. Consider the system
= 1
=-2
= 1
3x1 - x2 + ax3
= 1
x1 + 3x2 + 2x3
x12x2+2x3
= -b
= 4
1 For what values of a, b will the system be inconsistent?
2 For what values of a, b will the system have only one solution?
For what values of a, b will the saystem have infinitely many solutions?
Chapter 3 Solutions
Algebra and Trigonometry with Analytic Geometry, Classic Edition
Ch. 3.1 - Plot the points A(5,2),B(5,2),C(5,2),D(5,2)...Ch. 3.1 - Prob. 2ECh. 3.1 - Plot the points A(0,0),B(1,1),C(3,3),D(1,1), and...Ch. 3.1 - Prob. 4ECh. 3.1 - Exer. 56: Find the coordinates of the points AF.Ch. 3.1 - Exer. 56: Find the coordinates of the points AF.Ch. 3.1 - Prob. 7ECh. 3.1 - Prob. 8ECh. 3.1 - Prob. 9ECh. 3.1 - Prob. 10E
Ch. 3.1 - Prob. 11ECh. 3.1 - Prob. 12ECh. 3.1 - Prob. 13ECh. 3.1 - Prob. 14ECh. 3.1 - Exer. 1516: Show that the triangle with vertices A...Ch. 3.1 - Exer. 1516: Show that the triangle with vertices...Ch. 3.1 - Prob. 17ECh. 3.1 - Prob. 18ECh. 3.1 - Given A(3,8), find the coordinates of the point B...Ch. 3.1 - Prob. 20ECh. 3.1 - Exer. 2122 . Prove that C is on the perpendicular...Ch. 3.1 - Prob. 22ECh. 3.1 - Exer. 2324: Find a formula that expresses the fact...Ch. 3.1 - Prob. 24ECh. 3.1 - Find a formula that expresses the fact that P(x,y)...Ch. 3.1 - Prob. 26ECh. 3.1 - Prob. 27ECh. 3.1 - Prob. 28ECh. 3.1 - Prob. 29ECh. 3.1 - Prob. 30ECh. 3.1 - Prob. 31ECh. 3.1 - Prob. 32ECh. 3.1 - Prob. 33ECh. 3.1 - Prob. 34ECh. 3.2 - Prob. 1ECh. 3.2 - Exer. 120 . Sketch the graph of the equation, and...Ch. 3.2 - Prob. 3ECh. 3.2 - Prob. 4ECh. 3.2 - Prob. 5ECh. 3.2 - Prob. 6ECh. 3.2 - Exer. 120 . Sketch the graph of the equation, and...Ch. 3.2 - Exer. 120 : Sketch the graph of the equation, and...Ch. 3.2 - Prob. 9ECh. 3.2 - Exer. 120 . Sketch the graph of the equation, and...Ch. 3.2 - Exer. 120: Sketch the graph of the equation, and...Ch. 3.2 - Prob. 12ECh. 3.2 - Exer. 120: Sketch the graph of the equation, and...Ch. 3.2 - Prob. 14ECh. 3.2 - Prob. 15ECh. 3.2 - Prob. 16ECh. 3.2 - Prob. 17ECh. 3.2 - Prob. 18ECh. 3.2 - Prob. 19ECh. 3.2 - Prob. 20ECh. 3.2 - Prob. 21ECh. 3.2 - Prob. 22ECh. 3.2 - Prob. 23ECh. 3.2 - Prob. 24ECh. 3.2 - Prob. 25ECh. 3.2 - Prob. 26ECh. 3.2 - Prob. 27ECh. 3.2 - Prob. 28ECh. 3.2 - Prob. 29ECh. 3.2 - Prob. 30ECh. 3.2 - Prob. 31ECh. 3.2 - Prob. 32ECh. 3.2 - Prob. 33ECh. 3.2 - Prob. 34ECh. 3.2 - Prob. 35ECh. 3.2 - Prob. 36ECh. 3.2 - Prob. 37ECh. 3.2 - Prob. 38ECh. 3.2 - Prob. 39ECh. 3.2 - Prob. 40ECh. 3.2 - Prob. 41ECh. 3.2 - Prob. 42ECh. 3.2 - Prob. 43ECh. 3.2 - Prob. 44ECh. 3.2 - Prob. 45ECh. 3.2 - Prob. 46ECh. 3.2 - Prob. 47ECh. 3.2 - Prob. 48ECh. 3.2 - Prob. 49ECh. 3.2 - Prob. 50ECh. 3.2 - Prob. 51ECh. 3.2 - Prob. 52ECh. 3.2 - Prob. 53ECh. 3.2 - Prob. 54ECh. 3.2 - Prob. 55ECh. 3.2 - Prob. 56ECh. 3.2 - Prob. 57ECh. 3.2 - Prob. 58ECh. 3.2 - Prob. 59ECh. 3.2 - Prob. 60ECh. 3.2 - Prob. 61ECh. 3.2 - Prob. 62ECh. 3.2 - Prob. 63ECh. 3.2 - Prob. 64ECh. 3.2 - Prob. 65ECh. 3.2 - Prob. 66ECh. 3.2 - Prob. 67ECh. 3.2 - Prob. 68ECh. 3.2 - Prob. 69ECh. 3.2 - Prob. 70ECh. 3.2 - Prob. 71ECh. 3.2 - Prob. 72ECh. 3.2 - Prob. 73ECh. 3.2 - Prob. 74ECh. 3.2 - Prob. 75ECh. 3.2 - Prob. 76ECh. 3.3 - Exer. 16: Sketch the line through A and B , and...Ch. 3.3 - Prob. 2ECh. 3.3 - Exer. 16: Sketch the line through A and B , and...Ch. 3.3 - Prob. 4ECh. 3.3 - Prob. 5ECh. 3.3 - Prob. 6ECh. 3.3 - Prob. 7ECh. 3.3 - Prob. 8ECh. 3.3 - Prob. 9ECh. 3.3 - Prob. 10ECh. 3.3 - Prob. 11ECh. 3.3 - Prob. 12ECh. 3.3 - Prob. 13ECh. 3.3 - Prob. 14ECh. 3.3 - Exer. 1516: Sketch the graph of the line through P...Ch. 3.3 - Prob. 16ECh. 3.3 - Exer. 1718: Write equations of the lines.Ch. 3.3 - Exer. 1718: Write equations of the lines.Ch. 3.3 - Exer. 1920: Sketch the graphs of the lines on the...Ch. 3.3 - Exer. 1920: Sketch the graphs of the lines on the...Ch. 3.3 - Exer. 2132: Find a general form of an equation of...Ch. 3.3 - Exer. 2132: Find a general form of an equation of...Ch. 3.3 - Exer. 2132: Find a general form of an equation of...Ch. 3.3 - Exer. 2132 . Find a general form of an equation of...Ch. 3.3 - Prob. 25ECh. 3.3 - Prob. 26ECh. 3.3 - Prob. 27ECh. 3.3 - Prob. 28ECh. 3.3 - Prob. 29ECh. 3.3 - Prob. 30ECh. 3.3 - Prob. 31ECh. 3.3 - Prob. 32ECh. 3.3 - Exer. 3336: Find the slope-intercept form of the...Ch. 3.3 - Prob. 34ECh. 3.3 - Exer. 3336: Find the slope-intercept form of the...Ch. 3.3 - Prob. 36ECh. 3.3 - Exer. 3738: Find a general form of an equation for...Ch. 3.3 - Prob. 38ECh. 3.3 - Prob. 39ECh. 3.3 - Prob. 40ECh. 3.3 - Prob. 41ECh. 3.3 - Prob. 42ECh. 3.3 - Prob. 43ECh. 3.3 - Prob. 44ECh. 3.3 - Prob. 45ECh. 3.3 - Prob. 46ECh. 3.3 - Prob. 47ECh. 3.3 - Prob. 48ECh. 3.3 - Prob. 49ECh. 3.3 - Prob. 50ECh. 3.3 - Prob. 51ECh. 3.3 - Prob. 52ECh. 3.3 - Prob. 53ECh. 3.3 - Prob. 54ECh. 3.3 - Prob. 55ECh. 3.3 - Cheese production A cheese manufacturer produces...Ch. 3.3 - Childhood weight A baby weighs 10 pounds at birth,...Ch. 3.3 - Loan repayment A college student receives an...Ch. 3.3 - Prob. 59ECh. 3.3 - Prob. 60ECh. 3.3 - Prob. 61ECh. 3.3 - Prob. 62ECh. 3.3 - Prob. 63ECh. 3.3 - Prob. 64ECh. 3.3 - Prob. 65ECh. 3.3 - Prob. 66ECh. 3.3 - Prob. 67ECh. 3.3 - Prob. 68ECh. 3.3 - Prob. 69ECh. 3.3 - Exer. 6970: The given points were found using...Ch. 3.4 - If f(x)=x2x4, find f(2),f(0), and f(4) .Ch. 3.4 - If f(x)=x3x2+3, find f(3),f(0), and f(2) .Ch. 3.4 - If f(x)=x43x, find f(4),f(8), and f(13) .Ch. 3.4 - Prob. 4ECh. 3.4 - Exer. 510: If a and h are real numbers, find (a)...Ch. 3.4 - Prob. 6ECh. 3.4 - Prob. 7ECh. 3.4 - Prob. 8ECh. 3.4 - Prob. 9ECh. 3.4 - Prob. 10ECh. 3.4 - Prob. 11ECh. 3.4 - Prob. 12ECh. 3.4 - Prob. 13ECh. 3.4 - Prob. 14ECh. 3.4 - Exer. 1516: Explain why the graph is or is not the...Ch. 3.4 - Prob. 16ECh. 3.4 - Exer. 1718 . Determine the domain D and range R of...Ch. 3.4 - Prob. 18ECh. 3.4 - Exer. 1920: For the graph of the function f...Ch. 3.4 - Prob. 20ECh. 3.4 - Prob. 21ECh. 3.4 - Prob. 22ECh. 3.4 - Prob. 23ECh. 3.4 - Prob. 24ECh. 3.4 - Prob. 25ECh. 3.4 - Prob. 26ECh. 3.4 - Prob. 27ECh. 3.4 - Prob. 28ECh. 3.4 - Prob. 29ECh. 3.4 - Prob. 30ECh. 3.4 - Prob. 31ECh. 3.4 - Exer. 2132: Find the domain of f . 32....Ch. 3.4 - Exer. 3334 : (a) Find the domain D and range R of...Ch. 3.4 - Exer. 3334 : (a) Find the domain D and range R of...Ch. 3.4 - Prob. 35ECh. 3.4 - Prob. 36ECh. 3.4 - Prob. 37ECh. 3.4 - Prob. 38ECh. 3.4 - Prob. 39ECh. 3.4 - Prob. 40ECh. 3.4 - Prob. 41ECh. 3.4 - Prob. 42ECh. 3.4 - Prob. 43ECh. 3.4 - Prob. 44ECh. 3.4 - Prob. 45ECh. 3.4 - Prob. 46ECh. 3.4 - Prob. 47ECh. 3.4 - Prob. 48ECh. 3.4 - Prob. 49ECh. 3.4 - Prob. 50ECh. 3.4 - Prob. 51ECh. 3.4 - Prob. 52ECh. 3.4 - Prob. 53ECh. 3.4 - Prob. 54ECh. 3.4 - Prob. 55ECh. 3.4 - Prob. 56ECh. 3.4 - Prob. 57ECh. 3.4 - Prob. 58ECh. 3.4 - Prob. 59ECh. 3.4 - Prob. 60ECh. 3.4 - Prob. 61ECh. 3.4 - Prob. 62ECh. 3.4 - Prob. 63ECh. 3.4 - Prob. 64ECh. 3.4 - Prob. 65ECh. 3.4 - Prob. 66ECh. 3.4 - Dimensions of a building A small office unit is to...Ch. 3.4 - Prob. 68ECh. 3.4 - Prob. 69ECh. 3.4 - Prob. 70ECh. 3.4 - Prob. 71ECh. 3.4 - Prob. 72ECh. 3.4 - Prob. 73ECh. 3.4 - Prob. 74ECh. 3.4 - Prob. 75ECh. 3.4 - Prob. 76ECh. 3.4 - Airport runway The relative positions of an...Ch. 3.4 - Prob. 78ECh. 3.5 - Exer. 12: Suppose f is an even function and g is...Ch. 3.5 - Prob. 2ECh. 3.5 - Prob. 3ECh. 3.5 - Exer. 312: Determine whether f is even, odd, or...Ch. 3.5 - Prob. 5ECh. 3.5 - Prob. 6ECh. 3.5 - Prob. 7ECh. 3.5 - Prob. 8ECh. 3.5 - Prob. 9ECh. 3.5 - Prob. 10ECh. 3.5 - Prob. 11ECh. 3.5 - Prob. 12ECh. 3.5 - Prob. 13ECh. 3.5 - Prob. 14ECh. 3.5 - Prob. 15ECh. 3.5 - Prob. 16ECh. 3.5 - Prob. 17ECh. 3.5 - Prob. 18ECh. 3.5 - Prob. 19ECh. 3.5 - Prob. 20ECh. 3.5 - Prob. 21ECh. 3.5 - Prob. 22ECh. 3.5 - Prob. 23ECh. 3.5 - Prob. 24ECh. 3.5 - Prob. 25ECh. 3.5 - Prob. 26ECh. 3.5 - Prob. 27ECh. 3.5 - Prob. 28ECh. 3.5 - Exer. 2732: If the point P is on the graph of a...Ch. 3.5 - Prob. 30ECh. 3.5 - Prob. 31ECh. 3.5 - Prob. 32ECh. 3.5 - Prob. 33ECh. 3.5 - Prob. 34ECh. 3.5 - Exer. 3340: Explain how the graph of the function...Ch. 3.5 - Prob. 36ECh. 3.5 - Prob. 37ECh. 3.5 - Prob. 38ECh. 3.5 - Exer. 3340: Explain how the graph of the function...Ch. 3.5 - Prob. 40ECh. 3.5 - Exer. 4142: The graph of a function f with domain...Ch. 3.5 - Prob. 42ECh. 3.5 - Prob. 43ECh. 3.5 - Prob. 44ECh. 3.5 - Prob. 45ECh. 3.5 - Prob. 46ECh. 3.5 - Prob. 47ECh. 3.5 - Prob. 48ECh. 3.5 - Prob. 49ECh. 3.5 - Prob. 50ECh. 3.5 - Exer. 4752: Sketch the graph of f . 51....Ch. 3.5 - Prob. 52ECh. 3.5 - Exer. 5354: The symbol $[x]$ denotes values of the...Ch. 3.5 - Prob. 54ECh. 3.5 - Prob. 55ECh. 3.5 - Prob. 56ECh. 3.5 - Exer. 5758: For the graph of y=f(x) shown in the...Ch. 3.5 - Prob. 58ECh. 3.5 - Prob. 59ECh. 3.5 - Prob. 60ECh. 3.5 - Prob. 61ECh. 3.5 - Prob. 62ECh. 3.5 - Prob. 63ECh. 3.5 - Prob. 64ECh. 3.5 - Prob. 65ECh. 3.5 - Prob. 66ECh. 3.5 - Prob. 67ECh. 3.5 - Prob. 68ECh. 3.5 - Car rental charges There are two car rental...Ch. 3.5 - Prob. 70ECh. 3.6 - Exer. 14: Find the standard equation of any...Ch. 3.6 - Prob. 2ECh. 3.6 - Exer. 14: Find the standard equation of any...Ch. 3.6 - Exer. 14: Find the standard equation of any...Ch. 3.6 - Exer. 512: Express f(x) in the form a(xh)2+k . 5....Ch. 3.6 - Prob. 6ECh. 3.6 - Exer. 512: Express f(x) in the form a(xh)2+k . 7....Ch. 3.6 - Exer. 512: Express f(x) in the form a(xh)2+k . 8....Ch. 3.6 - Prob. 9ECh. 3.6 - Exer. 512: Express f(x) in the form a(xh)2+k . 10....Ch. 3.6 - Prob. 11ECh. 3.6 - Exer. 512: Express f(x) in the form a(xh)2+k . 12....Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 1322: (a) Use the quadratic formula to find...Ch. 3.6 - Exer. 2326: Find the standard equation of the...Ch. 3.6 - Exer. 2326: Find the standard equation of the...Ch. 3.6 - Exer. 2326: Find the standard equation of the...Ch. 3.6 - Exer. 2326: Find the standard equation of the...Ch. 3.6 - Exer. 2728: Find an equation of the form...Ch. 3.6 - Exer. 2728: Find an equation of the form...Ch. 3.6 - Exer. 2934: Find the standard equation of a...Ch. 3.6 - Exer. 2934: Find the standard equation of a...Ch. 3.6 - Exer. 2934: Find the standard equation of a...Ch. 3.6 - Exer. 2934: Find the standard equation of a...Ch. 3.6 - Prob. 33ECh. 3.6 - Prob. 34ECh. 3.6 - Exer. 3536: Find the maximum vertical distance d...Ch. 3.6 - Exer. 3536: Find the maximum vertical distance d...Ch. 3.6 - Prob. 37ECh. 3.6 - Prob. 38ECh. 3.6 - Infant growth rate The growth rate y (in pounds...Ch. 3.6 - Prob. 40ECh. 3.6 - Prob. 41ECh. 3.6 - Prob. 42ECh. 3.6 - Prob. 43ECh. 3.6 - Prob. 44ECh. 3.6 - Prob. 45ECh. 3.6 - Prob. 46ECh. 3.6 - Prob. 47ECh. 3.6 - Prob. 48ECh. 3.6 - Prob. 49ECh. 3.6 - Prob. 50ECh. 3.6 - Parabollc doorway A doorway has the shape of a...Ch. 3.6 - Path of a baseball Assume a baseball hit at home...Ch. 3.6 - Prob. 53ECh. 3.6 - Prob. 54ECh. 3.6 - Prob. 55ECh. 3.6 - Prob. 56ECh. 3.6 - Prob. 57ECh. 3.6 - Prob. 58ECh. 3.7 - Exer. 12: Find (a) (f+g)(3) (b) (fg)(3) (c)...Ch. 3.7 - Prob. 2ECh. 3.7 - Exer. 38: Find (a) (f+g)(x),(fg)(x),(fg)(x), and...Ch. 3.7 - Prob. 4ECh. 3.7 - Exer. 38: Find (a) (f+g)(x),(fg)(x),(fg)(x), and...Ch. 3.7 - Prob. 6ECh. 3.7 - Prob. 7ECh. 3.7 - Exer. 38: Find (a) (f+g)(x),(fg)(x),(fg)(x), and...Ch. 3.7 - Prob. 9ECh. 3.7 - Exer. 910: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Prob. 11ECh. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Prob. 14ECh. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Prob. 19ECh. 3.7 - Exer. 1120: Find (a) (fg)(x) (b) (gf)(x) (c)...Ch. 3.7 - Prob. 21ECh. 3.7 - Prob. 22ECh. 3.7 - Prob. 23ECh. 3.7 - Prob. 24ECh. 3.7 - Prob. 25ECh. 3.7 - Prob. 26ECh. 3.7 - Prob. 27ECh. 3.7 - Prob. 28ECh. 3.7 - Prob. 29ECh. 3.7 - Prob. 30ECh. 3.7 - Prob. 31ECh. 3.7 - Prob. 32ECh. 3.7 - Exer. 2134: Find (a)(fg)(x) and the domain of fg...Ch. 3.7 - Prob. 34ECh. 3.7 - Prob. 35ECh. 3.7 - Prob. 36ECh. 3.7 - Prob. 37ECh. 3.7 - Prob. 38ECh. 3.7 - Prob. 39ECh. 3.7 - If S(r)=4r2 and D(t)=2t+5, find (SD)(t) .Ch. 3.7 - Prob. 41ECh. 3.7 - Prob. 42ECh. 3.7 - Prob. 43ECh. 3.7 - Prob. 44ECh. 3.7 - Spreading fire A fire has started in a dry open...Ch. 3.7 - Prob. 46ECh. 3.7 - Prob. 47ECh. 3.7 - Prob. 48ECh. 3.7 - Prob. 49ECh. 3.7 - Prob. 50ECh. 3.7 - Prob. 51ECh. 3.7 - Prob. 52ECh. 3.7 - Prob. 53ECh. 3.7 - Prob. 54ECh. 3.7 - Prob. 55ECh. 3.7 - Prob. 56ECh. 3.7 - Prob. 57ECh. 3.7 - Prob. 58ECh. 3.7 - Prob. 59ECh. 3.7 - Prob. 60ECh. 3.7 - Prob. 61ECh. 3.7 - Prob. 62ECh. 3 - Prob. 1RECh. 3 - Prob. 2RECh. 3 - Prob. 3RECh. 3 - Prob. 4RECh. 3 - Prob. 5RECh. 3 - Prob. 6RECh. 3 - Prob. 7RECh. 3 - Prob. 8RECh. 3 - Prob. 9RECh. 3 - Prob. 10RECh. 3 - Prob. 11RECh. 3 - Prob. 12RECh. 3 - Prob. 13RECh. 3 - Prob. 14RECh. 3 - Prob. 15RECh. 3 - Prob. 16RECh. 3 - Prob. 17RECh. 3 - Prob. 18RECh. 3 - Prob. 19RECh. 3 - Prob. 20RECh. 3 - Prob. 21RECh. 3 - Prob. 22RECh. 3 - Prob. 23RECh. 3 - Prob. 24RECh. 3 - Prob. 25RECh. 3 - Prob. 26RECh. 3 - Prob. 27RECh. 3 - Prob. 28RECh. 3 - Prob. 29RECh. 3 - Prob. 30RECh. 3 - Prob. 31RECh. 3 - Prob. 32RECh. 3 - Prob. 33RECh. 3 - Prob. 34RECh. 3 - Prob. 35RECh. 3 - Prob. 36RECh. 3 - Prob. 37RECh. 3 - Prob. 38RECh. 3 - Prob. 39RECh. 3 - Prob. 40RECh. 3 - Prob. 41RECh. 3 - Prob. 42RECh. 3 - Prob. 43RECh. 3 - Prob. 44RECh. 3 - Exer. 4352: (a) Sketch the graph of f . (b) Find...Ch. 3 - Prob. 46RECh. 3 - Prob. 47RECh. 3 - Prob. 48RECh. 3 - Prob. 49RECh. 3 - Prob. 50RECh. 3 - Prob. 51RECh. 3 - Prob. 52RECh. 3 - Prob. 53RECh. 3 - Prob. 54RECh. 3 - Prob. 55RECh. 3 - Prob. 56RECh. 3 - Prob. 57RECh. 3 - Prob. 58RECh. 3 - Prob. 59RECh. 3 - Prob. 60RECh. 3 - Prob. 61RECh. 3 - Prob. 62RECh. 3 - Prob. 63RECh. 3 - Prob. 64RECh. 3 - If f(x)=4x2 and g(x)=x, find the domain of (a) fg...Ch. 3 - Prob. 66RECh. 3 - Prob. 67RECh. 3 - Prob. 68RECh. 3 - Prob. 69RECh. 3 - Prob. 70RECh. 3 - Prob. 71RECh. 3 - Prob. 72RECh. 3 - Prob. 73RECh. 3 - Prob. 74RECh. 3 - Prob. 75RECh. 3 - Prob. 76RECh. 3 - Dimensions of a pen A pen consists of five...Ch. 3 - Distance between cars At noon, car A is 10 feet to...Ch. 3 - Constructing a storage shelter An open rectangular...Ch. 3 - Prob. 80RECh. 3 - Prob. 81RECh. 3 - Prob. 82RECh. 3 - Frustum of a cone The shape of the first...Ch. 3 - Prob. 84RECh. 3 - Prob. 85RECh. 3 - Prob. 86RECh. 3 - Prob. 87RECh. 3 - Prob. 88RECh. 3 - Prob. 89RECh. 3 - Prob. 90RECh. 3 - Prob. 1DECh. 3 - Prob. 2DECh. 3 - Prob. 3DECh. 3 - Prob. 4DECh. 3 - Prob. 5DECh. 3 - Prob. 6DECh. 3 - Prob. 7DECh. 3 - Prob. 8DECh. 3 - Prob. 9DECh. 3 - Prob. 10DE
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- Question 6 Not yet answered Marked out of 5.00 Flag question = If (4,6,-11) and (-12,-16,4), = Compute the cross product vx w karrow_forwardConsider the following vector field v^-> (x,y): v^->(x,y)=2yi−xj What is the magnitude of the vector v⃗ located in point (13,9)? [Provide your answer as an integer number (no fraction). For a decimal number, round your answer to 2 decimal places]arrow_forwardQuestion 4 Find the value of the first element for the first row of the inverse matrix of matrix B. 3 Not yet answered B = Marked out of 5.00 · (³ ;) Flag question 7 [Provide your answer as an integer number (no fraction). For a decimal number, round your answer to 2 decimal places] Answer:arrow_forward
- Question 2 Not yet answered Multiply the following Matrices together: [77-4 A = 36 Marked out of -5 -5 5.00 B = 3 5 Flag question -6 -7 ABarrow_forwardAssume {u1, U2, u3, u4} does not span R³. Select the best statement. A. {u1, U2, u3} spans R³ if u̸4 is a linear combination of other vectors in the set. B. We do not have sufficient information to determine whether {u₁, u2, u3} spans R³. C. {U1, U2, u3} spans R³ if u̸4 is a scalar multiple of another vector in the set. D. {u1, U2, u3} cannot span R³. E. {U1, U2, u3} spans R³ if u̸4 is the zero vector. F. none of the abovearrow_forwardSelect the best statement. A. If a set of vectors includes the zero vector 0, then the set of vectors can span R^ as long as the other vectors are distinct. n B. If a set of vectors includes the zero vector 0, then the set of vectors spans R precisely when the set with 0 excluded spans Rª. ○ C. If a set of vectors includes the zero vector 0, then the set of vectors can span Rn as long as it contains n vectors. ○ D. If a set of vectors includes the zero vector 0, then there is no reasonable way to determine if the set of vectors spans Rn. E. If a set of vectors includes the zero vector 0, then the set of vectors cannot span Rn. F. none of the abovearrow_forward
- Which of the following sets of vectors are linearly independent? (Check the boxes for linearly independent sets.) ☐ A. { 7 4 3 13 -9 8 -17 7 ☐ B. 0 -8 3 ☐ C. 0 ☐ D. -5 ☐ E. 3 ☐ F. 4 THarrow_forward3 and = 5 3 ---8--8--8 Let = 3 U2 = 1 Select all of the vectors that are in the span of {u₁, u2, u3}. (Check every statement that is correct.) 3 ☐ A. The vector 3 is in the span. -1 3 ☐ B. The vector -5 75°1 is in the span. ГОЛ ☐ C. The vector 0 is in the span. 3 -4 is in the span. OD. The vector 0 3 ☐ E. All vectors in R³ are in the span. 3 F. The vector 9 -4 5 3 is in the span. 0 ☐ G. We cannot tell which vectors are i the span.arrow_forward(20 p) 1. Find a particular solution satisfying the given initial conditions for the third-order homogeneous linear equation given below. (See Section 5.2 in your textbook if you need a review of the subject.) y(3)+2y"-y-2y = 0; y(0) = 1, y'(0) = 2, y"(0) = 0; y₁ = e*, y2 = e¯x, y3 = e−2x (20 p) 2. Find a particular solution satisfying the given initial conditions for the second-order nonhomogeneous linear equation given below. (See Section 5.2 in your textbook if you need a review of the subject.) y"-2y-3y = 6; y(0) = 3, y'(0) = 11 yc = c₁ex + c2e³x; yp = −2 (60 p) 3. Find the general, and if possible, particular solutions of the linear systems of differential equations given below using the eigenvalue-eigenvector method. (See Section 7.3 in your textbook if you need a review of the subject.) = a) x 4x1 + x2, x2 = 6x1-x2 b) x=6x17x2, x2 = x1-2x2 c) x = 9x1+5x2, x2 = −6x1-2x2; x1(0) = 1, x2(0)=0arrow_forward
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