College Algebra
College Algebra
3rd Edition
ISBN: 9780321912787
Author: Ratti, J. S., Mcwaters, Marcus
Publisher: Pearson,
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Concept explainers

Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Textbook Question
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Chapter 2.3, Problem 56E

In Exercises 55−64, find the slope and intercepts from the equation of the line. Sketch the graph of each equation.

62. 2 y + 5 = 0

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Chapter 2.3, Problem 55E
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Chapter 2 Solutions

College Algebra

Ch. 2.1 - A point with a negative first coordinate and a...Ch. 2.1 - Any point on the x-axis has second coordinate .Ch. 2.1 - Prob. 3ECh. 2.1 - Prob. 4ECh. 2.1 - True or False. For any points x1,y1 and x2,y2...Ch. 2.1 - True or False. The point (7, 4) is 4 units to the...Ch. 2.1 - Prob. 7ECh. 2.1 - Prob. 8ECh. 2.1 - Prob. 9ECh. 2.1 - What figure is formed by the set of all points in...
Ch. 2.1 - Prob. 11ECh. 2.1 - Prob. 12ECh. 2.1 - Prob. 13ECh. 2.1 - Prob. 14ECh. 2.1 - Prob. 15ECh. 2.1 - Prob. 16ECh. 2.1 - Prob. 17ECh. 2.1 - Prob. 18ECh. 2.1 - Prob. 19ECh. 2.1 - Prob. 20ECh. 2.1 - Prob. 21ECh. 2.1 - Prob. 22ECh. 2.1 - Prob. 23ECh. 2.1 - Prob. 24ECh. 2.1 - Prob. 25ECh. 2.1 - Prob. 26ECh. 2.1 - Prob. 27ECh. 2.1 - Prob. 28ECh. 2.1 - Prob. 29ECh. 2.1 - Prob. 30ECh. 2.1 - Prob. 31ECh. 2.1 - Prob. 32ECh. 2.1 - Prob. 33ECh. 2.1 - Prob. 34ECh. 2.1 - In Exercises 35—42, identify the triangle PQR as...Ch. 2.1 - In Exercises 35—42, identify the triangle PQR as...Ch. 2.1 - In Exercises 35—42, identify the triangle PQR as...Ch. 2.1 - In Exercises 35—42, identify the triangle PQR as...Ch. 2.1 - Prob. 39ECh. 2.1 - Prob. 40ECh. 2.1 - Prob. 41ECh. 2.1 - Prob. 42ECh. 2.1 - Prob. 43ECh. 2.1 - Prob. 44ECh. 2.1 - Prob. 45ECh. 2.1 - 48. Find the point on the y-axis that is...Ch. 2.1 - Prob. 47ECh. 2.1 - Prob. 48ECh. 2.1 - Prob. 49ECh. 2.1 - Prob. 50ECh. 2.1 - Prob. 51ECh. 2.1 - Prob. 52ECh. 2.1 - Prob. 53ECh. 2.1 - Prob. 54ECh. 2.1 - Prob. 55ECh. 2.1 - Prob. 56ECh. 2.1 - Prob. 57ECh. 2.1 - Docking distance. A rope is attached to the bow of...Ch. 2.1 - Prob. 59ECh. 2.1 - Prob. 60ECh. 2.1 - Prob. 61ECh. 2.1 - Prob. 62ECh. 2.1 - Prob. 63ECh. 2.1 - Prob. 64ECh. 2.1 - Prob. 65ECh. 2.1 - Prob. 66ECh. 2.1 - Prob. 67ECh. 2.1 - Prob. 68ECh. 2.1 - Prob. 69ECh. 2.1 - In Exercises 73-78, describe the set of points...Ch. 2.1 - Prob. 71ECh. 2.1 - Prob. 72ECh. 2.1 - Prob. 73ECh. 2.1 - Prob. 74ECh. 2.1 - Prob. 75ECh. 2.1 - Prob. 76ECh. 2.1 - Prob. 77ECh. 2.1 - Prob. 78ECh. 2.1 - Prob. 79ECh. 2.1 - Prob. 80ECh. 2.1 - Prob. 81ECh. 2.1 - Prob. 82ECh. 2.1 - Prob. 83ECh. 2.1 - Prob. 84ECh. 2.2 - The graph of an equation in two variables such as...Ch. 2.2 - Prob. 2ECh. 2.2 - Prob. 3ECh. 2.2 - Prob. 4ECh. 2.2 - Prob. 5ECh. 2.2 - Prob. 6ECh. 2.2 - Prob. 7ECh. 2.2 - Prob. 8ECh. 2.2 - Prob. 9ECh. 2.2 - Prob. 10ECh. 2.2 - Prob. 11ECh. 2.2 - Prob. 12ECh. 2.2 - Prob. 13ECh. 2.2 - Prob. 14ECh. 2.2 - Prob. 15ECh. 2.2 - Prob. 16ECh. 2.2 - Prob. 17ECh. 2.2 - Prob. 18ECh. 2.2 - Prob. 19ECh. 2.2 - Prob. 20ECh. 2.2 - Prob. 21ECh. 2.2 - Prob. 22ECh. 2.2 - Prob. 23ECh. 2.2 - Prob. 24ECh. 2.2 - Prob. 25ECh. 2.2 - Prob. 26ECh. 2.2 - Prob. 27ECh. 2.2 - Prob. 28ECh. 2.2 - Prob. 29ECh. 2.2 - Prob. 30ECh. 2.2 - Prob. 31ECh. 2.2 - Prob. 32ECh. 2.2 - In Exercises 1536, graph each equation by plotting...Ch. 2.2 - Prob. 34ECh. 2.2 - In Exercises 1536, graph each equation by plotting...Ch. 2.2 - Prob. 36ECh. 2.2 - Prob. 37ECh. 2.2 - In Exercises 1536, graph each equation by plotting...Ch. 2.2 - Prob. 39ECh. 2.2 - Prob. 40ECh. 2.2 - In Exercises 1536, graph each equation by plotting...Ch. 2.2 - Prob. 42ECh. 2.2 - Prob. 43ECh. 2.2 - Prob. 44ECh. 2.2 - Prob. 45ECh. 2.2 - In Exercises 1536, graph each equation by plotting...Ch. 2.2 - Prob. 47ECh. 2.2 - Prob. 48ECh. 2.2 - Prob. 49ECh. 2.2 - Prob. 50ECh. 2.2 - Prob. 51ECh. 2.2 - Prob. 52ECh. 2.2 - Prob. 53ECh. 2.2 - Prob. 54ECh. 2.2 - Prob. 55ECh. 2.2 - In Exercises 5164, find the x- and y-intercepts of...Ch. 2.2 - Prob. 57ECh. 2.2 - Prob. 58ECh. 2.2 - Prob. 59ECh. 2.2 - Prob. 60ECh. 2.2 - Prob. 61ECh. 2.2 - Prob. 62ECh. 2.2 - Prob. 63ECh. 2.2 - Prob. 64ECh. 2.2 - Prob. 65ECh. 2.2 - Prob. 66ECh. 2.2 - In Exercises 7578, specify the center and the...Ch. 2.2 - Prob. 68ECh. 2.2 - Prob. 69ECh. 2.2 - Prob. 70ECh. 2.2 - Prob. 71ECh. 2.2 - Prob. 72ECh. 2.2 - Prob. 73ECh. 2.2 - Prob. 74ECh. 2.2 - Prob. 75ECh. 2.2 - Prob. 76ECh. 2.2 - Prob. 77ECh. 2.2 - Prob. 78ECh. 2.2 - Prob. 79ECh. 2.2 - Prob. 80ECh. 2.2 - Prob. 81ECh. 2.2 - In Exercises 8994, find the center and radius of...Ch. 2.2 - Prob. 83ECh. 2.2 - Prob. 84ECh. 2.2 - Prob. 85ECh. 2.2 - Prob. 86ECh. 2.2 - Prob. 87ECh. 2.2 - In Exercises 95 and 96, a graph is described...Ch. 2.2 - Prob. 89ECh. 2.2 - Prob. 90ECh. 2.2 - Prob. 91ECh. 2.2 - Prob. 92ECh. 2.2 - Prob. 93ECh. 2.2 - Prob. 94ECh. 2.2 - Prob. 95ECh. 2.2 - Prob. 96ECh. 2.2 - Prob. 97ECh. 2.2 - Prob. 98ECh. 2.2 - Prob. 99ECh. 2.2 - Prob. 100ECh. 2.2 - Prob. 101ECh. 2.2 - Prob. 102ECh. 2.2 - Prob. 103ECh. 2.2 - Prob. 104ECh. 2.2 - Prob. 105ECh. 2.2 - Prob. 106ECh. 2.2 - Prob. 107ECh. 2.2 - Prob. 108ECh. 2.2 - Prob. 109ECh. 2.2 - Prob. 110ECh. 2.2 - Prob. 111ECh. 2.2 - Prob. 112ECh. 2.2 - Prob. 113ECh. 2.2 - Prob. 114ECh. 2.2 - Prob. 115ECh. 2.2 - Prob. 116ECh. 2.2 - Prob. 117ECh. 2.2 - Prob. 118ECh. 2.2 - Prob. 119ECh. 2.2 - In Exercises 115120, write the negative reciprocal...Ch. 2.2 - Prob. 121ECh. 2.2 - Prob. 122ECh. 2.3 - Prob. 1ECh. 2.3 - Prob. 2ECh. 2.3 - Prob. 3ECh. 2.3 - Prob. 4ECh. 2.3 - Prob. 5ECh. 2.3 - Prob. 6ECh. 2.3 - Prob. 7ECh. 2.3 - Prob. 8ECh. 2.3 - Prob. 9ECh. 2.3 - Prob. 10ECh. 2.3 - In Exercises 916, find the slope of the line...Ch. 2.3 - Prob. 12ECh. 2.3 - Prob. 13ECh. 2.3 - Prob. 14ECh. 2.3 - Prob. 15ECh. 2.3 - Prob. 16ECh. 2.3 - Prob. 17ECh. 2.3 - Prob. 18ECh. 2.3 - Prob. 19ECh. 2.3 - Prob. 20ECh. 2.3 - Prob. 21ECh. 2.3 - Prob. 22ECh. 2.3 - Prob. 23ECh. 2.3 - Prob. 24ECh. 2.3 - Prob. 25ECh. 2.3 - Prob. 26ECh. 2.3 - Prob. 27ECh. 2.3 - Prob. 28ECh. 2.3 - Prob. 29ECh. 2.3 - Prob. 30ECh. 2.3 - Prob. 31ECh. 2.3 - Prob. 32ECh. 2.3 - Prob. 33ECh. 2.3 - Prob. 34ECh. 2.3 - Prob. 35ECh. 2.3 - Prob. 36ECh. 2.3 - Prob. 37ECh. 2.3 - Prob. 38ECh. 2.3 - Prob. 39ECh. 2.3 - Prob. 40ECh. 2.3 - Prob. 41ECh. 2.3 - Prob. 42ECh. 2.3 - Prob. 43ECh. 2.3 - Prob. 44ECh. 2.3 - Prob. 45ECh. 2.3 - Prob. 46ECh. 2.3 - Prob. 47ECh. 2.3 - Prob. 48ECh. 2.3 - Prob. 49ECh. 2.3 - Prob. 50ECh. 2.3 - Prob. 51ECh. 2.3 - Prob. 52ECh. 2.3 - Prob. 53ECh. 2.3 - Prob. 54ECh. 2.3 - Prob. 55ECh. 2.3 - In Exercises 5564, find the slope and intercepts...Ch. 2.3 - Prob. 57ECh. 2.3 - Prob. 58ECh. 2.3 - Prob. 59ECh. 2.3 - Prob. 60ECh. 2.3 - Prob. 61ECh. 2.3 - Prob. 62ECh. 2.3 - Prob. 63ECh. 2.3 - Prob. 64ECh. 2.3 - Prob. 65ECh. 2.3 - Prob. 66ECh. 2.3 - Prob. 67ECh. 2.3 - Prob. 68ECh. 2.3 - Prob. 69ECh. 2.3 - Prob. 70ECh. 2.3 - Prob. 71ECh. 2.3 - Prob. 72ECh. 2.3 - Prob. 73ECh. 2.3 - Prob. 74ECh. 2.3 - Prob. 75ECh. 2.3 - Prob. 76ECh. 2.3 - Prob. 77ECh. 2.3 - Prob. 78ECh. 2.3 - Prob. 79ECh. 2.3 - Prob. 80ECh. 2.3 - Prob. 81ECh. 2.3 - Prob. 82ECh. 2.3 - Prob. 83ECh. 2.3 - Prob. 84ECh. 2.3 - Prob. 85ECh. 2.3 - Prob. 86ECh. 2.3 - Jet takeoff. Upon takeoff, a jet climbs to 4 miles...Ch. 2.3 - Prob. 88ECh. 2.3 - Prob. 89ECh. 2.3 - Prob. 90ECh. 2.3 - Prob. 91ECh. 2.3 - Prob. 92ECh. 2.3 - Prob. 93ECh. 2.3 - In Exercises 111115, write an equation of a line...Ch. 2.3 - Prob. 95ECh. 2.3 - Depreciating a tractor. The value v of a tractor...Ch. 2.3 - Prob. 97ECh. 2.3 - Prob. 98ECh. 2.3 - Prob. 99ECh. 2.3 - Fahrenheit and Celsius. In the Fahrenheit...Ch. 2.3 - Prob. 101ECh. 2.3 - Prob. 102ECh. 2.3 - Prob. 103ECh. 2.3 - Oil consumption. The total world consumption of...Ch. 2.3 - Newspaper sales. The table shows the number of...Ch. 2.3 - Sales and advertising. Bildwell Computers keeps a...Ch. 2.3 - Prob. 107ECh. 2.3 - Prob. 108ECh. 2.3 - Prob. 109ECh. 2.3 - Prob. 110ECh. 2.3 - Prob. 111ECh. 2.3 - Prob. 112ECh. 2.3 - Prob. 113ECh. 2.3 - Prob. 114ECh. 2.3 - Prob. 115ECh. 2.3 - Prob. 116ECh. 2.3 - Prob. 117ECh. 2.3 - Prob. 118ECh. 2.3 - Prob. 119ECh. 2.3 - Prob. 120ECh. 2.3 - Prob. 121ECh. 2.3 - Prob. 122ECh. 2.3 - Prob. 123ECh. 2.3 - Prob. 124ECh. 2.3 - Prob. 125ECh. 2.3 - Prob. 126ECh. 2.3 - Prob. 127ECh. 2.3 - Prob. 128ECh. 2.3 - Prob. 129ECh. 2.3 - Prob. 130ECh. 2.3 - Prob. 131ECh. 2.3 - Prob. 132ECh. 2.3 - Prob. 133ECh. 2.3 - Prob. 134ECh. 2.3 - Prob. 135ECh. 2.3 - Prob. 136ECh. 2.4 - In the functional notation y=fx,x is the _______...Ch. 2.4 - Prob. 2ECh. 2.4 - If the point 9,14 is on the graph of a function f...Ch. 2.4 - Prob. 4ECh. 2.4 - Prob. 5ECh. 2.4 - Prob. 6ECh. 2.4 - Prob. 7ECh. 2.4 - Prob. 8ECh. 2.4 - In Exercises 914, determine the domain and range...Ch. 2.4 - Prob. 10ECh. 2.4 - Prob. 11ECh. 2.4 - Prob. 12ECh. 2.4 - Prob. 13ECh. 2.4 - Prob. 14ECh. 2.4 - Prob. 15ECh. 2.4 - Prob. 16ECh. 2.4 - Prob. 17ECh. 2.4 - In Exercises 1528, determine whether each equation...Ch. 2.4 - Prob. 19ECh. 2.4 - Prob. 20ECh. 2.4 - Prob. 21ECh. 2.4 - Prob. 22ECh. 2.4 - Prob. 23ECh. 2.4 - Prob. 24ECh. 2.4 - Prob. 25ECh. 2.4 - Prob. 26ECh. 2.4 - Prob. 27ECh. 2.4 - Prob. 28ECh. 2.4 - Prob. 29ECh. 2.4 - Prob. 30ECh. 2.4 - In Exercises 2932, let fx=x23x+1, gx=2xand hx=2x....Ch. 2.4 - Prob. 32ECh. 2.4 - Let fx=2x4x2 . Find each function value. f0 f1 f2...Ch. 2.4 - Prob. 34ECh. 2.4 - In the figure for Exercise 35, find the sum of the...Ch. 2.4 - Prob. 36ECh. 2.4 - In Exercises 3748, find the domain of each...Ch. 2.4 - Prob. 38ECh. 2.4 - In Exercises 3748, find the domain of each...Ch. 2.4 - Prob. 40ECh. 2.4 - In Exercises 3748, find the domain of each...Ch. 2.4 - Prob. 42ECh. 2.4 - In Exercises 3748, find the domain of each...Ch. 2.4 - In Exercises 3748, find the domain of each...Ch. 2.4 - Prob. 45ECh. 2.4 - Prob. 46ECh. 2.4 - In Exercises 3748, find the domain of each...Ch. 2.4 - Prob. 48ECh. 2.4 - Prob. 49ECh. 2.4 - Prob. 50ECh. 2.4 - Prob. 51ECh. 2.4 - Prob. 52ECh. 2.4 - Prob. 53ECh. 2.4 - Prob. 54ECh. 2.4 - Prob. 55ECh. 2.4 - Prob. 56ECh. 2.4 - In Exercises 55–58, the graph of a function is...Ch. 2.4 - In Exercises 55–58, the graph of a function is...Ch. 2.4 - Prob. 59ECh. 2.4 - Prob. 60ECh. 2.4 - Prob. 61ECh. 2.4 - Prob. 62ECh. 2.4 - Prob. 63ECh. 2.4 - In Exercises 63–70, rind the domain and the range...Ch. 2.4 - Prob. 65ECh. 2.4 - Prob. 66ECh. 2.4 - In Exercises 6370, rind the domain and the range...Ch. 2.4 - Prob. 68ECh. 2.4 - Prob. 69ECh. 2.4 - Prob. 70ECh. 2.4 - Prob. 71ECh. 2.4 - Prob. 72ECh. 2.4 - Prob. 73ECh. 2.4 - Prob. 74ECh. 2.4 - Prob. 75ECh. 2.4 - Prob. 76ECh. 2.4 - Prob. 77ECh. 2.4 - Prob. 78ECh. 2.4 - Prob. 79ECh. 2.4 - Prob. 80ECh. 2.4 - Prob. 81ECh. 2.4 - Prob. 82ECh. 2.4 - Prob. 83ECh. 2.4 - Prob. 84ECh. 2.4 - Prob. 85ECh. 2.4 - Prob. 86ECh. 2.4 - Prob. 87ECh. 2.4 - Prob. 88ECh. 2.4 - Prob. 89ECh. 2.4 - Prob. 90ECh. 2.4 - Prob. 91ECh. 2.4 - Prob. 92ECh. 2.4 - Motion of a projectile. A stone thrown upward with...Ch. 2.4 - Drug prescription. A certain drug has been...Ch. 2.4 - Prob. 95ECh. 2.4 - Area of a rectangle. The dimensions of a rectangle...Ch. 2.4 - Prob. 97ECh. 2.4 - Prob. 98ECh. 2.4 - Prob. 99ECh. 2.4 - Prob. 100ECh. 2.4 - Prob. 101ECh. 2.4 - Prob. 102ECh. 2.4 - Prob. 103ECh. 2.4 - Prob. 104ECh. 2.4 - Prob. 105ECh. 2.4 - Prob. 106ECh. 2.4 - Breaking even. Peerless Publishing Company intends...Ch. 2.4 - Prob. 108ECh. 2.4 - Prob. 109ECh. 2.4 - Prob. 110ECh. 2.4 - Prob. 111ECh. 2.4 - Prob. 112ECh. 2.4 - Prob. 113ECh. 2.4 - Prob. 114ECh. 2.4 - Prob. 115ECh. 2.4 - Prob. 116ECh. 2.4 - Prob. 117ECh. 2.4 - Prob. 118ECh. 2.4 - Prob. 119ECh. 2.4 - Prob. 120ECh. 2.4 - Prob. 121ECh. 2.4 - Prob. 122ECh. 2.4 - Prob. 123ECh. 2.4 - Prob. 124ECh. 2.4 - Prob. 125ECh. 2.4 - Prob. 126ECh. 2.4 - Consider the graph of the function fx=ax2+bx+x,a0...Ch. 2.4 - Prob. 128ECh. 2.4 - Prob. 129ECh. 2.4 - Prob. 130ECh. 2.4 - Prob. 131ECh. 2.4 - Prob. 132ECh. 2.4 - Prob. 133ECh. 2.4 - Prob. 134ECh. 2.4 - Prob. 135ECh. 2.4 - Prob. 136ECh. 2.4 - Prob. 137ECh. 2.4 - Prob. 138ECh. 2.5 - A function f is decreasing if x1x2 implies that...Ch. 2.5 - Prob. 2ECh. 2.5 - Prob. 3ECh. 2.5 - Prob. 4ECh. 2.5 - Prob. 5ECh. 2.5 - Prob. 6ECh. 2.5 - Prob. 7ECh. 2.5 - In Exercises 916, the graph of a function is...Ch. 2.5 - In Exercises 916, the graph of a function is...Ch. 2.5 - Prob. 10ECh. 2.5 - Prob. 11ECh. 2.5 - Prob. 12ECh. 2.5 - Prob. 13ECh. 2.5 - In Exercises 916, the graph of a function is...Ch. 2.5 - Prob. 15ECh. 2.5 - Prob. 16ECh. 2.5 - Prob. 17ECh. 2.5 - Prob. 18ECh. 2.5 - Prob. 19ECh. 2.5 - Prob. 20ECh. 2.5 - Prob. 21ECh. 2.5 - Prob. 22ECh. 2.5 - Prob. 23ECh. 2.5 - Prob. 24ECh. 2.5 - Prob. 25ECh. 2.5 - Prob. 26ECh. 2.5 - Prob. 27ECh. 2.5 - Prob. 28ECh. 2.5 - Prob. 29ECh. 2.5 - Prob. 30ECh. 2.5 - Prob. 31ECh. 2.5 - Prob. 32ECh. 2.5 - Prob. 33ECh. 2.5 - Prob. 34ECh. 2.5 - Prob. 35ECh. 2.5 - Prob. 36ECh. 2.5 - Prob. 37ECh. 2.5 - Prob. 38ECh. 2.5 - Prob. 39ECh. 2.5 - Prob. 40ECh. 2.5 - Prob. 41ECh. 2.5 - Prob. 42ECh. 2.5 - Prob. 43ECh. 2.5 - Prob. 44ECh. 2.5 - Prob. 45ECh. 2.5 - Prob. 46ECh. 2.5 - Prob. 47ECh. 2.5 - Prob. 48ECh. 2.5 - Prob. 49ECh. 2.5 - Prob. 50ECh. 2.5 - Prob. 51ECh. 2.5 - Prob. 52ECh. 2.5 - Prob. 53ECh. 2.5 - Prob. 54ECh. 2.5 - Prob. 55ECh. 2.5 - Prob. 56ECh. 2.5 - Prob. 57ECh. 2.5 - Prob. 58ECh. 2.5 - Prob. 59ECh. 2.5 - Prob. 60ECh. 2.5 - Prob. 61ECh. 2.5 - Prob. 62ECh. 2.5 - Prob. 63ECh. 2.5 - Prob. 64ECh. 2.5 - Prob. 65ECh. 2.5 - Prob. 66ECh. 2.5 - Prob. 67ECh. 2.5 - Prob. 68ECh. 2.5 - Prob. 69ECh. 2.5 - Prob. 70ECh. 2.5 - Prob. 71ECh. 2.5 - Prob. 72ECh. 2.5 - Prob. 73ECh. 2.5 - Prob. 74ECh. 2.5 - Prob. 75ECh. 2.5 - Prob. 76ECh. 2.5 - In Exercises 69—82, find and simplify the...Ch. 2.5 - Prob. 78ECh. 2.5 - Prob. 79ECh. 2.5 - Prob. 80ECh. 2.5 - Prob. 81ECh. 2.5 - Prob. 82ECh. 2.5 - Prob. 83ECh. 2.5 - In Exercises 69—82, find and simplify the...Ch. 2.5 - Prob. 85ECh. 2.5 - Prob. 86ECh. 2.5 - Prob. 87ECh. 2.5 - Prob. 88ECh. 2.5 - Prob. 89ECh. 2.5 - Prob. 90ECh. 2.5 - Prob. 91ECh. 2.5 - Prob. 92ECh. 2.5 - Prob. 93ECh. 2.5 - Prob. 94ECh. 2.5 - Prob. 95ECh. 2.5 - Prob. 96ECh. 2.5 - Prob. 97ECh. 2.5 - Prob. 98ECh. 2.5 - Prob. 99ECh. 2.5 - Prob. 100ECh. 2.5 - Prob. 101ECh. 2.5 - Prob. 102ECh. 2.5 - Prob. 103ECh. 2.5 - Prob. 104ECh. 2.5 - Prob. 105ECh. 2.5 - Prob. 106ECh. 2.5 - Prob. 107ECh. 2.5 - Prob. 108ECh. 2.5 - Prob. 109ECh. 2.5 - Prob. 110ECh. 2.5 - Prob. 111ECh. 2.5 - Prob. 112ECh. 2.5 - Prob. 113ECh. 2.5 - Prob. 114ECh. 2.5 - Prob. 115ECh. 2.5 - Prob. 116ECh. 2.5 - Prob. 117ECh. 2.5 - Prob. 118ECh. 2.5 - Prob. 119ECh. 2.5 - Prob. 120ECh. 2.6 - The graph of the linear function fx=b is a(n)...Ch. 2.6 - Prob. 2ECh. 2.6 - Prob. 3ECh. 2.6 - Prob. 4ECh. 2.6 - In Exercises 918, write a linear function fthat...Ch. 2.6 - Prob. 6ECh. 2.6 - Prob. 7ECh. 2.6 - Prob. 8ECh. 2.6 - Prob. 9ECh. 2.6 - Prob. 10ECh. 2.6 - Prob. 11ECh. 2.6 - In Exercises 9–18, write a linear function that...Ch. 2.6 - Prob. 13ECh. 2.6 - In Exercises 9–18, write a linear function that...Ch. 2.6 - Let fx=xifx22ifx2 Find f1,f2 , and f3 . Sketch the...Ch. 2.6 - 20. Let Find , , and . Sketch the graph of . Ch. 2.6 - 21. Let . Find and . Sketch the graph of...Ch. 2.6 - 22. Let . Find , and . Sketch the graph of...Ch. 2.6 - Prob. 19ECh. 2.6 - Prob. 20ECh. 2.6 - Prob. 21ECh. 2.6 - Prob. 22ECh. 2.6 - Prob. 23ECh. 2.6 - Prob. 24ECh. 2.6 - Prob. 25ECh. 2.6 - Prob. 26ECh. 2.6 - Prob. 27ECh. 2.6 - Prob. 28ECh. 2.6 - Prob. 29ECh. 2.6 - Prob. 30ECh. 2.6 - Prob. 31ECh. 2.6 - Prob. 32ECh. 2.6 - Prob. 33ECh. 2.6 - Prob. 34ECh. 2.6 - Prob. 35ECh. 2.6 - Prob. 36ECh. 2.6 - Prob. 37ECh. 2.6 - Prob. 38ECh. 2.6 - Pressure at sea depth. The pressure P in...Ch. 2.6 - Prob. 40ECh. 2.6 - Prob. 41ECh. 2.6 - Prob. 42ECh. 2.6 - Prob. 43ECh. 2.6 - College admissions. The average SAT scores...Ch. 2.6 - Breathing capacity. Suppose the average maximum...Ch. 2.6 - Drug dosage for children. If a is the adult dosage...Ch. 2.6 - Prob. 47ECh. 2.6 - Prob. 48ECh. 2.6 - Prob. 49ECh. 2.6 - Prob. 50ECh. 2.6 - Prob. 51ECh. 2.6 - Prob. 52ECh. 2.6 - Prob. 53ECh. 2.6 - Prob. 54ECh. 2.6 - Prob. 55ECh. 2.6 - Prob. 56ECh. 2.6 - Prob. 57ECh. 2.6 - Prob. 58ECh. 2.6 - Prob. 59ECh. 2.6 - Prob. 60ECh. 2.6 - Prob. 61ECh. 2.6 - Prob. 62ECh. 2.6 - Prob. 63ECh. 2.6 - Prob. 64ECh. 2.6 - Prob. 65ECh. 2.6 - Prob. 66ECh. 2.6 - Prob. 67ECh. 2.6 - Prob. 68ECh. 2.7 - 1. The graph of is found by vertically shifting...Ch. 2.7 - Prob. 2ECh. 2.7 - The graph of y=fbx is a horizontal compression of...Ch. 2.7 - Prob. 4ECh. 2.7 - Prob. 5ECh. 2.7 - 7. True or False. You get the same graph by...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 922, describe the transformations...Ch. 2.7 - In Exercises 922, describe the transformations...Ch. 2.7 - Prob. 16ECh. 2.7 - In Exercises 922, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 9–22, describe the transformations...Ch. 2.7 - In Exercises 922, describe the transformations...Ch. 2.7 - In Exercises 2334, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - In Exercises 23–34, match each function with its...Ch. 2.7 - Prob. 31ECh. 2.7 - Prob. 32ECh. 2.7 - Prob. 33ECh. 2.7 - Prob. 34ECh. 2.7 - In Exercises 35-62, graph each function by...Ch. 2.7 - In Exercises 35-62, graph each function by...Ch. 2.7 - Prob. 37ECh. 2.7 - Prob. 38ECh. 2.7 - Prob. 39ECh. 2.7 - Prob. 40ECh. 2.7 - Prob. 41ECh. 2.7 - Prob. 42ECh. 2.7 - Prob. 43ECh. 2.7 - Prob. 44ECh. 2.7 - Prob. 45ECh. 2.7 - Prob. 46ECh. 2.7 - Prob. 47ECh. 2.7 - Prob. 48ECh. 2.7 - Prob. 49ECh. 2.7 - Prob. 50ECh. 2.7 - Prob. 51ECh. 2.7 - Prob. 52ECh. 2.7 - Prob. 53ECh. 2.7 - Prob. 54ECh. 2.7 - Prob. 55ECh. 2.7 - Prob. 56ECh. 2.7 - Prob. 57ECh. 2.7 - Prob. 58ECh. 2.7 - Prob. 59ECh. 2.7 - Prob. 60ECh. 2.7 - Prob. 61ECh. 2.7 - Prob. 62ECh. 2.7 - Prob. 63ECh. 2.7 - Prob. 64ECh. 2.7 - Prob. 65ECh. 2.7 - Prob. 66ECh. 2.7 - Prob. 67ECh. 2.7 - Prob. 68ECh. 2.7 - Prob. 69ECh. 2.7 - Prob. 70ECh. 2.7 - Prob. 71ECh. 2.7 - Prob. 72ECh. 2.7 - Prob. 73ECh. 2.7 - Prob. 74ECh. 2.7 - Prob. 75ECh. 2.7 - Prob. 76ECh. 2.7 - Prob. 77ECh. 2.7 - Prob. 78ECh. 2.7 - Prob. 79ECh. 2.7 - Prob. 80ECh. 2.7 - Prob. 81ECh. 2.7 - Prob. 82ECh. 2.7 - Prob. 83ECh. 2.7 - Prob. 84ECh. 2.7 - Prob. 85ECh. 2.7 - Prob. 86ECh. 2.7 - Prob. 87ECh. 2.7 - Prob. 88ECh. 2.7 - Prob. 89ECh. 2.7 - Prob. 90ECh. 2.7 - Prob. 91ECh. 2.7 - Prob. 92ECh. 2.7 - Prob. 93ECh. 2.7 - Prob. 94ECh. 2.7 - Prob. 95ECh. 2.7 - Prob. 96ECh. 2.7 - Prob. 97ECh. 2.7 - Prob. 98ECh. 2.7 - Prob. 99ECh. 2.7 - Prob. 100ECh. 2.7 - Prob. 101ECh. 2.7 - Prob. 102ECh. 2.7 - Prob. 103ECh. 2.7 - Prob. 104ECh. 2.7 - Prob. 105ECh. 2.7 - Prob. 106ECh. 2.7 - Prob. 107ECh. 2.7 - Prob. 108ECh. 2.7 - Prob. 109ECh. 2.7 - Prob. 110ECh. 2.7 - Prob. 111ECh. 2.7 - Prob. 112ECh. 2.7 - Prob. 113ECh. 2.7 - Prob. 114ECh. 2.7 - Prob. 115ECh. 2.7 - Prob. 116ECh. 2.7 - Prob. 117ECh. 2.7 - Prob. 118ECh. 2.7 - Prob. 119ECh. 2.7 - Prob. 120ECh. 2.7 - Prob. 121ECh. 2.7 - Prob. 122ECh. 2.7 - Prob. 123ECh. 2.7 - Prob. 124ECh. 2.7 - Prob. 125ECh. 2.7 - Prob. 126ECh. 2.7 - Prob. 127ECh. 2.7 - Suppose the graph of y = f(4x) is given. Explain...Ch. 2.7 - Prob. 129ECh. 2.7 - Prob. 130ECh. 2.7 - Prob. 131ECh. 2.7 - Prob. 132ECh. 2.7 - Prob. 133ECh. 2.7 - Prob. 134ECh. 2.7 - Prob. 135ECh. 2.7 - Prob. 136ECh. 2.7 - Prob. 137ECh. 2.7 - Prob. 138ECh. 2.8 - Prob. 1ECh. 2.8 - Prob. 2ECh. 2.8 - Prob. 3ECh. 2.8 - Prob. 4ECh. 2.8 - Prob. 5ECh. 2.8 - Prob. 6ECh. 2.8 - Prob. 7ECh. 2.8 - Prob. 8ECh. 2.8 - Prob. 9ECh. 2.8 - Prob. 10ECh. 2.8 - Prob. 11ECh. 2.8 - In Exercises 25–38, functions f and g are given....Ch. 2.8 - Prob. 13ECh. 2.8 - Prob. 14ECh. 2.8 - Prob. 15ECh. 2.8 - Prob. 16ECh. 2.8 - Prob. 17ECh. 2.8 - Prob. 18ECh. 2.8 - Prob. 19ECh. 2.8 - Prob. 20ECh. 2.8 - Prob. 21ECh. 2.8 - Prob. 22ECh. 2.8 - Prob. 23ECh. 2.8 - Prob. 24ECh. 2.8 - Prob. 25ECh. 2.8 - Prob. 26ECh. 2.8 - Prob. 27ECh. 2.8 - Prob. 28ECh. 2.8 - Prob. 29ECh. 2.8 - Prob. 30ECh. 2.8 - Prob. 31ECh. 2.8 - Prob. 32ECh. 2.8 - In Exercises 4556, let fx=2x+1and gx=2x23....Ch. 2.8 - Prob. 34ECh. 2.8 - Prob. 35ECh. 2.8 - Prob. 36ECh. 2.8 - Prob. 37ECh. 2.8 - Prob. 38ECh. 2.8 - In Exercises 5766, the functions f and g are...Ch. 2.8 - Prob. 40ECh. 2.8 - Prob. 41ECh. 2.8 - Prob. 42ECh. 2.8 - Prob. 43ECh. 2.8 - Prob. 44ECh. 2.8 - Prob. 45ECh. 2.8 - Prob. 46ECh. 2.8 - Prob. 47ECh. 2.8 - Prob. 48ECh. 2.8 - Prob. 49ECh. 2.8 - Prob. 50ECh. 2.8 - Prob. 51ECh. 2.8 - Prob. 52ECh. 2.8 - Prob. 53ECh. 2.8 - Prob. 54ECh. 2.8 - Prob. 55ECh. 2.8 - Prob. 56ECh. 2.8 - Prob. 57ECh. 2.8 - Prob. 58ECh. 2.8 - Prob. 59ECh. 2.8 - In Exercises 8190, express the given function H as...Ch. 2.8 - Prob. 61ECh. 2.8 - Prob. 62ECh. 2.8 - Prob. 63ECh. 2.8 - Prob. 64ECh. 2.8 - Prob. 65ECh. 2.8 - Prob. 66ECh. 2.8 - Prob. 67ECh. 2.8 - Prob. 68ECh. 2.8 - Prob. 69ECh. 2.8 - Prob. 70ECh. 2.8 - Prob. 71ECh. 2.8 - Prob. 72ECh. 2.8 - 97. Test grades. Professor Harsh gave a test to...Ch. 2.8 - Prob. 74ECh. 2.8 - Prob. 75ECh. 2.8 - Prob. 76ECh. 2.8 - Prob. 77ECh. 2.8 - Prob. 78ECh. 2.8 - Prob. 79ECh. 2.8 - Prob. 80ECh. 2.8 - Prob. 81ECh. 2.8 - Prob. 82ECh. 2.8 - Prob. 83ECh. 2.8 - Prob. 84ECh. 2.8 - Prob. 85ECh. 2.8 - Prob. 86ECh. 2.8 - Prob. 87ECh. 2.8 - Prob. 88ECh. 2.8 - Prob. 89ECh. 2.8 - Prob. 90ECh. 2.8 - Prob. 91ECh. 2.8 - Prob. 92ECh. 2.8 - Prob. 93ECh. 2.8 - Prob. 94ECh. 2.9 - 1. If no horizontal line intersects the graph of a...Ch. 2.9 - Prob. 2ECh. 2.9 - Prob. 3ECh. 2.9 - Prob. 4ECh. 2.9 - Prob. 5ECh. 2.9 - Prob. 6ECh. 2.9 - Prob. 7ECh. 2.9 - Prob. 8ECh. 2.9 - Prob. 9ECh. 2.9 - Prob. 10ECh. 2.9 - Prob. 11ECh. 2.9 - Prob. 12ECh. 2.9 - Prob. 13ECh. 2.9 - Prob. 14ECh. 2.9 - Prob. 15ECh. 2.9 - Prob. 16ECh. 2.9 - Prob. 17ECh. 2.9 - Prob. 18ECh. 2.9 - Prob. 19ECh. 2.9 - Prob. 20ECh. 2.9 - Prob. 21ECh. 2.9 - Prob. 22ECh. 2.9 - Prob. 23ECh. 2.9 - Prob. 24ECh. 2.9 - Prob. 25ECh. 2.9 - Prob. 26ECh. 2.9 - Prob. 27ECh. 2.9 - Prob. 28ECh. 2.9 - In Exercises 29–34, show that f and g are inverses...Ch. 2.9 - Prob. 30ECh. 2.9 - Prob. 31ECh. 2.9 - Prob. 32ECh. 2.9 - Prob. 33ECh. 2.9 - Prob. 34ECh. 2.9 - Prob. 35ECh. 2.9 - Prob. 36ECh. 2.9 - Prob. 37ECh. 2.9 - Prob. 38ECh. 2.9 - Prob. 39ECh. 2.9 - Prob. 40ECh. 2.9 - Prob. 41ECh. 2.9 - In Exercises 43–54, Determine algebraically...Ch. 2.9 - Prob. 43ECh. 2.9 - Prob. 44ECh. 2.9 - Prob. 45ECh. 2.9 - In Exercises 43–54, Determine algebraically...Ch. 2.9 - Prob. 47ECh. 2.9 - Prob. 48ECh. 2.9 - Prob. 49ECh. 2.9 - In Exercises 43–54, Determine algebraically...Ch. 2.9 - In Exercises 4354, Determine algebraically whether...Ch. 2.9 - Prob. 52ECh. 2.9 - Prob. 53ECh. 2.9 - 56. Find the domain and range of the function f of...Ch. 2.9 - Prob. 55ECh. 2.9 - In Exercises 57–60, assume that the given function...Ch. 2.9 - In Exercises 57–60, assume that the given function...Ch. 2.9 - In Exercises 57–60, assume that the given function...Ch. 2.9 - In Exercises 61–68, find the inverse of each...Ch. 2.9 - In Exercises 61–68, find the inverse of each...Ch. 2.9 - Prob. 61ECh. 2.9 - Prob. 62ECh. 2.9 - Prob. 63ECh. 2.9 - Prob. 64ECh. 2.9 - Prob. 65ECh. 2.9 - Prob. 66ECh. 2.9 - Prob. 67ECh. 2.9 - Prob. 68ECh. 2.9 - Prob. 69ECh. 2.9 - Prob. 70ECh. 2.9 - Prob. 71ECh. 2.9 - Prob. 72ECh. 2.9 - Prob. 73ECh. 2.9 - Prob. 74ECh. 2.9 - Prob. 75ECh. 2.9 - Prob. 76ECh. 2.9 - Prob. 77ECh. 2.9 - Prob. 78ECh. 2.9 - Prob. 79ECh. 2.9 - Prob. 80ECh. 2.9 - Prob. 81ECh. 2.9 - Prob. 82ECh. 2.9 - Prob. 83ECh. 2.9 - Prob. 84ECh. 2.9 - Prob. 85ECh. 2.9 - Prob. 86ECh. 2.9 - Prob. 87ECh. 2.9 - Prob. 88ECh. 2.9 - Prob. 89ECh. 2.9 - Prob. 90ECh. 2.9 - Prob. 91ECh. 2.9 - Prob. 92ECh. 2.9 - Prob. 93ECh. 2.9 - Prob. 94ECh. 2.9 - Prob. 95ECh. 2.9 - Prob. 96ECh. 2.9 - Prob. 97ECh. 2.9 - Prob. 98ECh. 2.9 - Prob. 99ECh. 2.9 - Prob. 100ECh. 2 - Prob. 1RECh. 2 - Prob. 2RECh. 2 - Prob. 3RECh. 2 - In Exercises 1–8, state whether the given...Ch. 2 - Prob. 5RECh. 2 - Prob. 6RECh. 2 - Prob. 7RECh. 2 - Prob. 8RECh. 2 - Prob. 9RECh. 2 - Prob. 10RECh. 2 - Prob. 11RECh. 2 - Prob. 12RECh. 2 - Prob. 13RECh. 2 - Prob. 14RECh. 2 - Prob. 15RECh. 2 - Prob. 16RECh. 2 - Prob. 17RECh. 2 - Prob. 18RECh. 2 - Prob. 19RECh. 2 - Prob. 20RECh. 2 - Prob. 21RECh. 2 - Prob. 22RECh. 2 - Prob. 23RECh. 2 - Prob. 24RECh. 2 - Prob. 25RECh. 2 - Prob. 26RECh. 2 - Prob. 27RECh. 2 - Prob. 28RECh. 2 - Prob. 29RECh. 2 - Prob. 30RECh. 2 - Prob. 31RECh. 2 - Prob. 32RECh. 2 - Prob. 33RECh. 2 - Prob. 34RECh. 2 - Prob. 35RECh. 2 - Prob. 36RECh. 2 - Prob. 37RECh. 2 - Prob. 38RECh. 2 - Prob. 39RECh. 2 - Prob. 40RECh. 2 - Prob. 41RECh. 2 - Prob. 42RECh. 2 - Prob. 43RECh. 2 - Prob. 44RECh. 2 - Prob. 45RECh. 2 - Prob. 46RECh. 2 - Prob. 47RECh. 2 - Prob. 48RECh. 2 - Prob. 49RECh. 2 - Prob. 50RECh. 2 - In Exercises 4958, graph each relation. State the...Ch. 2 - Prob. 52RECh. 2 - Prob. 53RECh. 2 - Prob. 54RECh. 2 - Prob. 55RECh. 2 - Prob. 56RECh. 2 - Prob. 57RECh. 2 - Prob. 58RECh. 2 - Prob. 59RECh. 2 - Prob. 60RECh. 2 - Prob. 61RECh. 2 - Prob. 62RECh. 2 - Prob. 63RECh. 2 - Prob. 64RECh. 2 - Prob. 65RECh. 2 - Prob. 66RECh. 2 - Prob. 67RECh. 2 - Prob. 68RECh. 2 - Prob. 69RECh. 2 - Prob. 70RECh. 2 - Prob. 71RECh. 2 - Prob. 72RECh. 2 - Prob. 73RECh. 2 - Prob. 74RECh. 2 - Prob. 75RECh. 2 - Prob. 76RECh. 2 - Prob. 77RECh. 2 - Prob. 78RECh. 2 - Prob. 79RECh. 2 - Prob. 80RECh. 2 - Prob. 81RECh. 2 - Prob. 82RECh. 2 - Prob. 83RECh. 2 - Prob. 84RECh. 2 - Prob. 85RECh. 2 - Prob. 86RECh. 2 - Prob. 87RECh. 2 - Prob. 88RECh. 2 - Prob. 89RECh. 2 - Prob. 90RECh. 2 - Prob. 91RECh. 2 - Prob. 92RECh. 2 - Prob. 93RECh. 2 - Prob. 94RECh. 2 - Prob. 95RECh. 2 - Prob. 96RECh. 2 - Prob. 97RECh. 2 - Prob. 98RECh. 2 - Prob. 99RECh. 2 - Prob. 100RECh. 2 - Prob. 101RECh. 2 - Prob. 102RECh. 2 - Prob. 103RECh. 2 - Prob. 104RECh. 2 - Prob. 105RECh. 2 - Prob. 106RECh. 2 - Prob. 107RECh. 2 - Prob. 108RECh. 2 - Prob. 109RECh. 2 - Prob. 110RECh. 2 - Prob. 111RECh. 2 - Prob. 1PTACh. 2 - Prob. 2PTACh. 2 - Prob. 3PTACh. 2 - Prob. 4PTACh. 2 - Prob. 5PTACh. 2 - Prob. 6PTACh. 2 - Prob. 7PTACh. 2 - Prob. 8PTACh. 2 - Prob. 9PTACh. 2 - Prob. 10PTACh. 2 - Prob. 11PTACh. 2 - Prob. 12PTACh. 2 - Prob. 13PTACh. 2 - Prob. 14PTACh. 2 - Prob. 15PTACh. 2 - Prob. 16PTACh. 2 - Prob. 17PTACh. 2 - Prob. 18PTACh. 2 - Prob. 19PTACh. 2 - Prob. 20PTACh. 2 - Prob. 1PTBCh. 2 - Prob. 2PTBCh. 2 - Prob. 3PTBCh. 2 - Prob. 4PTBCh. 2 - Prob. 5PTBCh. 2 - Prob. 6PTBCh. 2 - Prob. 7PTBCh. 2 - Prob. 8PTBCh. 2 - Prob. 9PTBCh. 2 - Prob. 10PTBCh. 2 - Prob. 11PTBCh. 2 - Prob. 12PTBCh. 2 - Prob. 13PTBCh. 2 - Prob. 14PTBCh. 2 - Prob. 15PTBCh. 2 - Prob. 16PTBCh. 2 - Prob. 17PTBCh. 2 - Prob. 18PTBCh. 2 - The ideal weight w (in pounds) for a man of height...Ch. 2 - Cassie rented an intermediate sedan at $25.00 per...Ch. 2 - Prob. 1CRECh. 2 - Prob. 2CRECh. 2 - Prob. 3CRECh. 2 - Prob. 4CRECh. 2 - Prob. 5CRECh. 2 - Prob. 6CRECh. 2 - Prob. 7CRECh. 2 - Prob. 8CRECh. 2 - Prob. 9CRECh. 2 - Prob. 10CRECh. 2 - Prob. 11CRECh. 2 - Prob. 12CRECh. 2 - Prob. 13CRECh. 2 - Prob. 14CRECh. 2 - Prob. 15CRECh. 2 - Prob. 16CRECh. 2 - Prob. 17CRECh. 2 - Prob. 18CRECh. 2 - Prob. 19CRECh. 2 - Prob. 20CRECh. 2 - Prob. 21CRECh. 2 - Prob. 22CRECh. 2 - Prob. 23CRECh. 2 - Prob. 24CRECh. 2 - Prob. 25CRECh. 2 - Prob. 26CRECh. 2 - Prob. 27CRECh. 2 - Prob. 28CRECh. 2 - Prob. 29CRECh. 2 - Prob. 30CRECh. 2 - Prob. 31CRECh. 2 - Prob. 32CRECh. 2 - Prob. 33CRE
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