Sets

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Replace # with a ⊂ OR ⊄ to make a true statement: Albert Einstein # {y: y is a living American Poet}

B = { -4, -3, -2, -1, 0, 1, 2, 3, 4}

Set notation list for: The integers from -5 to 5 not inclusive.

N = {10, 11, 12, 13, 14, 15}

Set notation list for: The natural numbers from 10 to 15 inclusive.

W = {Sun., Mon., Tues., Wed. Thurs., Fri., Sat.}

Set notation list for: the days of the week

I = {1, 2, 3, 4, 5, 6, 7, 8, 9}

Set notation list for: {x:x is a natural number less than 10}

Replace # with a ∈ OR ∉ to make a true statement: 3 # {x:x is a whole number}

{1, 3, 5, 7}

A = {1, 3, 5, 7, 9} B = {1, 2, 3, 4, 5, 6} C = {2, 4, 6, 7, 8} Find A∩(B∪C)

yes

Determine if {Aries, Taurus, Gemini, Cancer . . . Aquarius, Pisces} is a well defined set

no

Determine if {y: y has an interesting job} is a well defined set

6

Find n(A) if A = {1, 3, 5, . . . 11}

26

Find n(A) if A = {x: x is a letter in the alphabet}

48

Find n(A) if A = {x: x is one of the continental United States}

{2, 4, 6, 8, 10}

If the universal set = {1, 2, 3, 4 . . .10} find A' if A = {1, 3, 5, 7, 9}

finite

Is this set finite or infinite? {x:x is the number of people who have walked on the moon}

infinite

Is this set finite or infinite? {y:y is a real number between 4 and 5}

{1, 3, 5}

Perform the operation A∩B if A = {1, 3, 5, 7, 9} and B = {1, 2, 3, 4, 5, 6}

{1, 2, 3, 4, 5, 6, 7, 9}

Perform the operation A∪B if A = {1, 3, 5, 7, 9} and B = {1, 2, 3, 4, 5, 6}

{2, 4, 6}

Perform the operation B∩C if C = {2, 4, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6}

{1, 2, 3, 4, 5, 6, 7, 8}

Perform the operation B∪C if C = {2, 4, 6, 7, 8} and B = {1, 2, 3, 4, 5, 6}

M = {x:x is an even natural number less than or equal to 100}

Write {2, 4, 6, 8 . . . . 100} using an alternative method

{x:x is a color on the American Flag}

Write {red, white, blue} using an alternative method

Z = { . . . -3, -2, -1}

Write {z:x is a negative integer} using an alternative method


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