A chemist has \( 20 \% \) and \( 50 \% \) solutions of acid available. How many liters of each solution should be mixed to obtain \( 195 \) liters of \( 22 \% \) acid solution? liters of \( 20 \% \) acid liters of \( 50 \% \) acid
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Q:
Find the inverse for each of the following functions.
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Q:
The total revenue from the sale of a popular book is approximated by the rational function \( R ( x ) = \frac { 1700 x ^ { 2 } } { x ^ { 2 } + 4 } \) , where \( x \) is the number of years since publication and \( R ( x ) \)
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(b) Find the total revenue at the end of the second year.