Finding the Inverse of a Rational Function
The function represents the concentration of an acid solution after mL of 40% solution has been added to 100 mL of a 20% solution. First, find the inverse of the function; that is, find an expression for in terms of Then use your result to determine how much of the 40% solution should be added so that the final mixture is a 35% solution.
OpenStax, Algebra and Trigonometry 2e · §5.7 Inverses and Radical Functions · Example 11
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