ﬁnd the inverse of the function f or else explain why the function has no inverse.
-$$f : \mathbf { Z } \rightarrow \mathbf { Z } \text {, where } f ( x ) = \left\{ \begin{array} { l l }
x - 2 & \text { if } x \geq 5 \
x + 1 & \text { if } x \leq 4
\end{array} \right.$$

Question

ﬁnd the inverse of the function f or else explain why the function has no inverse.
-$$f : \mathbf { Z } \rightarrow \mathbf { Z } \text {, where } f ( x ) = \left\{ \begin{array} { l l } 
x - 2 & \text { if } x \geq 5 \
x + 1 & \text { if } x \leq 4
\end{array} \right.$$

Quizplus · Accepted Answer

The Answer of ﬁnd the inverse of the function f or else explain why the function has no inverse.
-$$f : \mathbf { Z } \rightarrow \mathbf { Z } \text {, where } f ( x ) = \left\{ \begin{array} { l l } 
x - 2 & \text { if } x \geq 5 \
x + 1 & \text { if } x \leq 4
\end{array} \right.$$

ﬁNd the Inverse of the Function F or Else Explain