# Find inverse and write as single logarithm

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1) Find Inverse, f(x) = 2x / (x+1)

2) and write as single logarithm: log4(x-3) + log4(x+3) -5log4(x^2-6)

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#### Solution Preview

Question 1)

rewrite as y = 2x / (x+1)

switch x and y to get x = 2y / (y+1)

(y+1)x = ...

#### Solution Summary

An inverse is found and an expression written as a single logarithm.

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