Posted by drew on Monday, February 4, 2013 at 11:48am.
What is the range of the inverse of relation {(1, 7), (2, 4), (5, 6), (2, 8)}?
A. {1, 2, 5}
B. {4, 6, 7, 8}
C. {1, 5}
D. {4, 7, 8}
B

algebra  Steve, Monday, February 4, 2013 at 11:53am
range of R^{1} is domain of R
(A)

algebra  drew, Monday, February 4, 2013 at 12:00pm
could you explain the steps?

algebra  Steve, Monday, February 4, 2013 at 2:32pm
what steps? They gave you a relation. Take the set of the 1st element of each pair.
If you don't know how to find the domain/range of a relation when they give you each element and its image, you are deep in it.
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