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Definition of Inverse - Problem 1
The domain and range of inverse fractions. Remember domain is the set of all our x vales that is in a function and the range is the set of all y values that corresponds to that. And piece that together with the fact that an inverse is what happens they switch the x and y values. What happens with our domain and range of functions inverses is they switch as well.
Our domain used to be the set of all xs, we switch x and y to find inverse so that is going to become the range of the inverse function. Likewise the range of the original function was the y values, when we switch x and ys that is going to become the domain of the inverse.
So just like whenever we find inverse we find x and ys our domain in the inverse are going to switch as well.