Answered

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If f(x) = (x + 5), find the inverse of f.

If Fx X 5 Find The Inverse Of F class=

Sagot :

[tex]f^{-1}(x)=x-5[/tex]

1) As we want to find the inverse function, we need to follow some steps. The first one is to swap the variables like this:

[tex]\begin{gathered} y=x+5 \\ \\ x=y+5 \\ \\ y+5=x \\ \\ y+5-5=x-5 \\ \\ y=x-5 \\ \\ f^{-1}(x)=x-5 \end{gathered}[/tex]

That is the answer.

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