Question

2. Use set builder notation to give a description of each of

these sets.

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

b) {−3, −2, −1, 0, 1, 2, 3}

c) {m, n, o, p}

Answer 1

a) $\{x|x=3n, n=0,1,2,3,4\}$

b) $\{x∈Z∣−3≤x≤3\}$

c) $\{x|x\;is\;a\;letter\;after\;l\;and\;before\;q\}$