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Question
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}
The correct answer is {3, 9, 15}.
To find the upper R intersection upper D, we need to find the common elements between the two sets R and D.
The elements in the set R are {1, 3, 5, 7, 9, 11, 13, 15, 17}.
The elements in the set D are {3, 6, 9, 12, 15, 18, 21, 24, 27}.
To find the common elements, we compare the elements in R with the elements in D.
The common elements between R and D are {3, 9, 15}.
Therefore, the answer is {3, 9, 15}.