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  • 24-09-2020
  • Mathematics
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inverse function of f(x)= 4/x

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MathTutors
MathTutors MathTutors
  • 24-09-2020

Answer: [tex]y=\frac{4}{x}[/tex]

Step-by-step explanation:

To find the inverse function, you want to replace y with x and x with y, and then solve.

[tex]y=\frac{4}{x}[/tex]           [replace y with x and x with y]

[tex]x=\frac{4}{y}[/tex]           [multiply bith sides by y]

[tex]xy=4[/tex]          [divide both sides by x]

[tex]y=\frac{4}{x}[/tex]

Now, we know the inverse is [tex]y=\frac{4}{x}[/tex].

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