CHECK POINT 1 Write ⊆ or ⊆ in each blank to form a true statement: a. A = { 1 , 3 , 5 , 6 , 9 , 11 } B = { 1 , 3 , 5 , 7 } A _ _ _ B b. A = { x | x is a letter in the word r o o f } B = { y | y is a letter in the word p r o o f } A _ _ _ B c. A = { x | x is a day of the week } B = { Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday } A _ _ _ B
CHECK POINT 1 Write ⊆ or ⊆ in each blank to form a true statement: a. A = { 1 , 3 , 5 , 6 , 9 , 11 } B = { 1 , 3 , 5 , 7 } A _ _ _ B b. A = { x | x is a letter in the word r o o f } B = { y | y is a letter in the word p r o o f } A _ _ _ B c. A = { x | x is a day of the week } B = { Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday } A _ _ _ B
Solution Summary: The author explains that the given statement is true for Asubseteq B.
3. Solve the inequality and give your answer in interval notation. Be sure to show all your work,
and write neatly so your work is easy to follow. (4 points)
2|3x+12 ≥ 18
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2. In words, interpret the inequality |x8|> 7 the same way I did in the videos. Note: the words
"absolute value" should not appear in your answer! (2 points)
Chapter 2 Solutions
Thinking Mathematically, Books a la Carte Edition plus MyLab Math with Pearson eText -- Access Card Package, 4/e (7th Edition)
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