document.write( "Question 1153080: A compute manufacturer finds that when x millions of dollars are spent on research, the profit, P(x), in millions of dollars is given by P(x) = 20 + 5log(base 3)(x+3). How much should be spent on research to make a profit of 49 million dollars. \n" ); document.write( "
Algebra.Com's Answer #775250 by ankor@dixie-net.com(22740)\"\" \"About 
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A compute manufacturer finds that when x millions of dollars are spent on research, the profit, P(x), in millions of dollars is given by
\n" ); document.write( " P(x) = 20 + 5log(base 3)(x+3).
\n" ); document.write( " How much should be spent on research to make a profit of 49 million dollars.
\n" ); document.write( "\"20+%2B+5%2Alog%283%2C%28x%2B3%29%29+=+49\"
\n" ); document.write( "\"5%2Alog%283%2C%28x%2B3%29%29+=+49+-+20\"
\n" ); document.write( "\"5%2Alog%283%2C%28x%2B3%29%29+=+29\"
\n" ); document.write( "\"log%283%2C%28x%2B3%29%29+=+29%2F5\"
\n" ); document.write( "\"log%283%2C%28x%2B3%29%29+=+5.8\"
\n" ); document.write( "Exponent equiv of logs
\n" ); document.write( "\"%28x%2B3%29+=+3%5E5.8\"
\n" ); document.write( "use your calc
\n" ); document.write( "x + 3 = 585.2
\n" ); document.write( "subtract 3 from both side
\n" ); document.write( "x = 582.2 million \n" ); document.write( "
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