Problem- 27

Problem- 27

Use set builder notation to give a description of each of these sets.

 

a) {0,3,6,9,12}

b) {−4, −3, −2, −1, 0, 1, 2, 3, 4}

c) {a, b, c, r, s}

 

Solution

 

a) {0,3,6,9,12}

{3n|n=0,1,2,3,4}

 

b) {−4, −3, −2, −1, 0, 1, 2, 3, 4}

{x|−4≤x≤4}, where the domain is the set of integers.

 

c) {a, b, c, r, s}

{x|x is a letter of the word scrabble other than l or e}

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