if we have y = f(x)
So, to find the inverse of the function f(x)
we should switch x , y OR replace x with y in prevoius function
x = f(y) represent the inverse function or will be [tex] f^{-1} [/tex]
By applying that on the given table
∴ [tex] f^{-1} (3) = 2 [/tex]
And
[tex] f^{-1} (8) = 7 [/tex]
