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State with reason whether the following ...

State with reason whether the following functions have inverse
h : {2, 3, 4, 5} `rarr` {7, 9, 11, 13} with
h = {(2,7), (3,9), (4, 11), (5, 13)}

Text Solution

Verified by Experts

`h = {(2,7), (3,9), (4, 11), (5,13)}`
yes, since h is bijective
`h^(-1)= {(7,2), (3,9), (11,4), (13,5)}`
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