What is the inverse of the function f(x)=-x?

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03-11-2015
Mathematics

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What is the inverse of the function f(x)=-x?

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TSO TSO · Answer 1 · 2015-11-03T03:32:12+01:00

TSO TSO

03-11-2015

To find the inverse we have to first change the function notation to 'y'

So

f(x) = -x becomes y = -x

Next, we have to switch the x and y values

So, y = -x becomes x = -y

Now, we have to solve for y.

y = -x

So the inverse of f(x) = -x is:

[tex]f^{-1}(x) = -x[/tex]

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