Suppose R = {1, 3, 5, 7, 9, 11, 13, 15, 17} and D = {3, 6, 9, 12, 15, 18, 21, 24, 27}. What is upper R intersection upper D?
(1 point)
Responses
{3, 9, 15}
{3, 9, 15}
{1, 5, 7, 11, 13, 17}
{1, 5, 7, 11, 13, 17}
{1, 3, 5, 6, 7, 9, 11, 12, 13, 15, 17, 18, 21, 24, 27}
{1, 3, 5, 6, 7, 9, 11, 12, 13, 15, 17, 18, 21, 24, 27}
{6, 12, 18, 21, 24, 27}
{6, 12, 18, 21, 24, 27}
To find the upper R intersection upper D, we need to find the elements that are common to both sets R and D after taking the upper bound of each set.
The upper bound of R is 17 (the largest element in R).
The upper bound of D is 27 (the largest element in D).
Now, we find the intersection of the two sets:
R intersection D = {3, 9, 15}
Therefore, the upper R intersection upper D is {3, 9, 15}.