algebra

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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 -

    range of R-1 is domain of R
    (A)

  • algebra -

    could you explain the steps?

  • algebra -

    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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