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Home > Algebra calculators > Inverse of a function calculator
Method and examples
Method
Inverse of a function
y =
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SolutionHelp
Inverse of a function calculator
1. y=x^2+4
2. y=(x+4)/(x-3)
3. y=sqrt(x-8)
Example
1. y=4x-3, find Inverse of a function

Solution:
y=4x-3

Replace all x with y and y with x.
x=4y-3

Now, Solve x=4y-3 for y

Interchange sides
=>4y-3=x

=>4y=x+3

=>y=(x+3)/4


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