Find the following then use diagram to illustrate each 1. P ∪ R
P = { 1,3,5,7,9,11,13...21 }
R = { 2,4,6,8,10,12 }

2. P ∪ ( R ∪ O )
P = { 1,3,5,7,9,11,13...21 }
R = { 2,4,6,8,10,12 }
O = { 3, 6, 9, 12, 15, 18 }

3. ( O ∩ V ) ∩ E
O = { 3, 6, 9, 12, 15, 18 }
V = { 4,16,20 }
E = { 5, 10, 15, 20 }

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