To find: The inverse function of .
Concept Use: Let, be a one-to-one function with domain A and range B. Then its inverse function has domain B and range A and is defining by for any in B.
First, we replace with ,
To sketch: The graph of the function and the inverse function.
Given information: and
A point on the graph of , . The dotted line is the graph of , CD is the graph of . AB is the perpendicular on the dotted line from the point , It intersects the CD line at point F .
It is clear that the coordinate of E is reversed from F.
Thus, it means and is the reflection of each other in the line (Dotted line).
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