Question

4.
If C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and D = {numbers divisible by 6 from 1 to 12}, what is C ∩ D? (4 points)
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
{6}
{ }
{6, 12}
5. [3.02]

If A = {red, orange, black, grey} and B = {red, orange, yellow, green, blue, indigo, violet},
what is A B? (4 points)
{red, orange}
{red, orange, black, grey}
{ }
{red, orange, yellow, green, blue, indigo, violet, black, grey}
6.
The set W represents the elements present in water.
W = {hydrogen, oxygen}
The set C represents the elements present in carbon dioxide gas.
C = {c