erinaaazmi
erinaaazmi erinaaazmi
  • 02-02-2020
  • Mathematics
contestada

find inverse of
[tex]f(x) = |x| [/tex]
​

Respuesta :

sam4040
sam4040 sam4040
  • 08-02-2020

Answer:

Inverse of the function does not exist.

Step-by-step explanation:

Inverse of a function: Inverse of a function [tex]f(x)[/tex] is a function that brings range to domain of [tex]f(x)[/tex].

[tex]f(x)=y\ inverse\ function\ is\ f^{-1}(y)=x[/tex].

Given [tex]f(x)=|x|[/tex]

This function is not one-one map because [tex]f(x)=f(-x)[/tex]

[tex]f(2)=2,\ f(-2)=2 \Rightarrow f(2)=f(-2)[/tex]

Inverse function exists only if the function is one-one map.

Hence here inverse function does not exist.

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