# Find the Inverse Function f(x)=-2x-7 Replace with .
Interchange the variables.
Solve for .
Rewrite the equation as .
Add to both sides of the equation.
Divide each term by and simplify.
Divide each term in by .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Simplify each term.
Move the negative in front of the fraction.
Move the negative in front of the fraction.
Solve for and replace with .
Replace the with to show the final answer.
Set up the composite result function.
Evaluate by substituting in the value of into .
Combine the numerators over the common denominator.
Simplify the numerator.
Factor out of .
Rewrite as .
Factor out of .
Multiply by .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Since , is the inverse of .
Find the Inverse Function f(x)=-2x-7

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