Precalculus Examples

Replace with .
Interchange the variables.
Solve for .
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Since is on the right side of the equation, switch the sides so it is on the left side of the equation.
Subtract from both sides of the equation.
Solve for and replace with .
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Replace the with to show the final answer.
Set up the composite result function.
Evaluate by substituting in the value of into .
Add and .
Add and .
Since , is the inverse of .
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