Problem 1CP: CHECK POINT 1 Write a word description of the set L = {a, b, c, d, e, f}. Problem 2CP: CHECK POINT 2 Set M is the set of months beginning with the letter A. Express this set using the... Problem 3CP: CHECK POINT 3 Express the set O = { x | x is a positive odd number less than 10 }... Problem 4CP: CHECK POINT 4 Which one of the following is the empty set? a. { x | x is a number less than 3 or... Problem 5CP: CHECK POINT 5 Determine whether each statement is true or false:
a.
b. r ∉ {a, b, c, z}
c. .
Problem 6CP Problem 7CP Problem 8CP Problem 9CP:
CHECK POINT 9 Figure 2.2 shows the percentage of Americans optimistic about the future for each... Problem 10CP Problem 1CVC: Fill in each blank so that the resulting statement is true. The set {California, Colorado,... Problem 2CVC Problem 3CVC Problem 4CVC: Fill in each blank so that the resulting statement is true.
4. The set is called the set of ____.
Problem 5CVC Problem 6CVC Problem 7CVC Problem 1E Problem 2E Problem 3E: In Exercises 1-6, determine which collections are not well defined and therefore not sets. The... Problem 4E Problem 5E Problem 6E: 6. The collection of even natural numbers greater than 100
Problem 7E Problem 8E Problem 9E Problem 10E Problem 11E Problem 12E Problem 13E Problem 14E Problem 15E Problem 16E Problem 17E Problem 18E Problem 19E Problem 20E Problem 21E Problem 22E Problem 23E Problem 24E Problem 25E: In Exercises 15-32, express each set using the roster method.
25.
Problem 26E: In Exercises 15-32, express each set using the roster method. { x | x ∈ N and x >... Problem 27E Problem 28E Problem 29E Problem 30E Problem 31E Problem 32E Problem 33E Problem 34E Problem 35E Problem 36E Problem 37E: { x | x is the number of women who served as U.S. president before 2016} Problem 38E Problem 39E Problem 40E Problem 41E Problem 42E Problem 43E Problem 44E Problem 45E Problem 46E Problem 47E: In Exercises 47-66, determine whether each statement is true or false. 3 ∈ { 1 , 3 , 5 , 7 } Problem 48E: In Exercises 47-66, determine whether each statement is true or false. 6 ∈ { 2 , 4 , 6 , 8 , 10 } Problem 49E: In Exercises 47-66, determine whether each statement is true or false. 12 ∈ {1, 2, 3,…, 14} Problem 50E: In Exercises 47-66, determine whether each statement is true or false.
61.
50. 10 ∈ {1, 2, 3, . . .... Problem 51E Problem 52E: In Exercises 47-66, determine whether each statement is true or false. 8 ∈ {1, 3, 5,…, 19} Problem 53E: In Exercises 47-66, determine whether each statement is true or false. 11 ∉ { 1 , 2 , 3 , … , 9 } Problem 54E: In Exercises 47-66, determine whether each statement is true or false.
54.
Problem 55E Problem 56E: In Exercises 47-66, determine whether each statement is true or false. 26 ∉ { 1 , 2 , 3 , … , 50 } Problem 57E: In Exercises 47-66, determine whether each statement is true or false. 4 ∉ { x | x ∈ N and x ... Problem 58E: In Exercises 47-66, determine whether each statement is true or false.
58. 2 ∈ {x | x ∈ N and x is... Problem 59E: In Exercises 47-66, determine whether each statement is true or false.
59.
Problem 60E: In Exercises 47-66, determine whether each statement is true or false. 20 ∉ { x | x ∈ N ... Problem 61E: In Exercises 47-66, determine whether each statement is true or false. 16 ∉ { x | x ∈ N ... Problem 62E: In Exercises 47-66, determine whether each statement is true or false. 19 ∉ { x | x ∈ N ... Problem 63E: In Exercises 47-66, determine whether each statement is true or false. { 3 } ∈ { 3 , 4 } Problem 64E: In Exercises 47-66, determine whether each statement is true or false. { 7 } ∈ { 7 , 8 } Problem 65E: In Exercises 47-66, determine whether each statement is true or false.
65.
Problem 66E: In Exercises 47-66, determine whether each statement is true or false.
66.
Problem 67E: In Exercises 67-80, find the cardinal number for each set.
67.
Problem 68E Problem 69E Problem 70E: In Exercises 67-80, find the cardinal number for each set.
70.
Problem 71E: In Exercises 67-80, find the cardinal number for each set. C = { x | x is a day of the ... Problem 72E Problem 73E Problem 74E: In Exercises 67-80, find the cardinal number for each set. D = { six } Problem 75E Problem 76E: In Exercises 67-80, find the cardinal number for each set. A = { x | x is a letter in the... Problem 77E: In Exercises 67-80, find the cardinal number for each set.
77.
Problem 78E: In Exercises 67-80, find the cardinal number for each set. B = { x | x ∈ N and 3 ≤ x <... Problem 79E Problem 80E: In Exercises 67-80, find the cardinal number for each set. C = { x | x < 5 and x ≥ 15 } Problem 81E Problem 82E Problem 83E Problem 84E: In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { 1 , 3... Problem 85E: In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { 1 , 1... Problem 86E: In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = {0, 1,... Problem 87E: In Exercises 81-90,
a. Are the sets equivalent? Explain.
b. Are the sets equal? Explain.
87.
Problem 88E: In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { x | x... Problem 89E: In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { x | x... Problem 90E: In Exercises 81-90, a. Are the sets equivalent? Explain. b. Are the sets equal? Explain. A = { x | x... Problem 91E Problem 92E Problem 93E Problem 94E Problem 95E Problem 96E Problem 97E Problem 98E Problem 99E Problem 100E Problem 101E Problem 102E Problem 103E Problem 104E Problem 105E: Application Exercises
Although you want to choose a career that fits your interests and abilities,... Problem 106E: Application Exercises
Although you want to choose a career that fits your interests and abilities,... Problem 107E: Application Exercises
Although you want to choose a career that fits your interests and abilities,... Problem 108E Problem 109E Problem 110E Problem 111E Problem 112E Problem 113E Problem 114E Problem 115E Problem 116E Problem 117E Problem 118E Problem 119E: 119. Describe the three methods used to represent a set. Give an example of a set represented by... Problem 120E Problem 121E Problem 122E: Explain what is meant by equal sets. Problem 123E Problem 124E: Make Sense? In Exercises 124-124, determine whether each statement makes sense or does not make... Problem 125E: Make Sense? In Exercises 124-127, determine whether each statement makes sense or does not make... Problem 126E: Make Sense? In Exercises 124-127, determine whether each statement makes sense or does not make... Problem 127E: Make Sense? In Exercises 124-127, determine whether each statement makes sense or does not make... Problem 128E: In Exercises 128-135, determine whether each statement is true or false. If the statement is false,... Problem 129E Problem 130E: In Exercises 128-135, determine whether each statement is true or false. If the statement is false,... Problem 131E Problem 132E: In Exercises 128-135, determine whether each statement is true or false. If the statement is false,... Problem 133E: In Exercises 128-135, determine whether each statement is true or false. If the statement is false,... Problem 134E: In Exercises 128-135, determine whether each statement is true or false. If the statement is false,... Problem 135E: In Exercises 128-135, determine whether each statement is true or false. If the statement is false,... Problem 136E format_list_bulleted