Functions That are their own Inverse If a function f is its own inverse then the graph of f is symmetric about the line y=x. (a) Graph the give function. (b) Does the graph indicate that f and f-1 are the same function? (c) Find the function f-1. Use your result to verify your answer to part (b).
is its own inverse, then the graph of 
. 
Graph the given function.
Does the graph indicate that 
are same function? 
Find the function 
