SOLUTION: Find the inverse, state whether it’s a function, state whether the inverse is a function (1) {(3, 5), (6, 10), (9, 5)} This is not from the book

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Question 158052: Find the inverse, state whether it’s a function, state whether the inverse is a function
(1) {(3, 5), (6, 10), (9, 5)}
This is not from the book
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
To find the inverse, simply switch each x and y to get

{(5,3),(10,6),(5,9)}


Notice how when x=5 then y=3 and y=9. Since y cannot be both 3 and 9 at the same time, this means that the inverse relation is NOT a function.