Posted by Lynn on Friday, March 28, 2008 at 5:25pm.
Did I do this right?
Problem:
If the following defines a onetoone function, find its inverse. If no, write "Not onetoone."
{(2,4),(1,4),(0,1),(1,5)}
answer: Not onetoone because of
(2,4), (1,4)

Algebra Help Inverse Onetoone  Damon, Friday, March 28, 2008 at 5:34pm
There is only one y for each x, so the original is indeed a function.
However the inverse has those two values of y for x is 4 so the inverse is indeed not a function.