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F(x) 5xwhat is f-1(x)

1 Answer

6 votes

If you start with


f(x)=y=5x

In order to invert the function, you have to switch y and x, and then solve for y again. In this case, after the switch we have


x=5y

And solving by y we have


y=(1)/(5)x

This is your inverse function.

User MichaD
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