document.write( "Question 154152: Marginal revenue. A defense attorney charges her client
\n" ); document.write( "$4000 plus $120 per hour. The formula R  120n  4000
\n" ); document.write( "gives her revenue in dollars for n hours of work. What is
\n" ); document.write( "her revenue for 100 hours of work? What is her revenue
\n" ); document.write( "for 101 hours of work? By how much did the one extra
\n" ); document.write( "hour of work increase the revenue? (The increase in
\n" ); document.write( "revenue is called the marginal revenue for the 101st hour.)
\n" ); document.write( "

Algebra.Com's Answer #113452 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A defense attorney charges her client $4000 plus $120 per hour.
\n" ); document.write( "The formula R = 120n + 4000 gives her revenue in dollars for n hours of work.
\n" ); document.write( "What is her revenue for 100 hours of work?
\n" ); document.write( "What is her revenue for 101 hours of work?
\n" ); document.write( "By how much did the one extra hour of work increase the revenue?
\n" ); document.write( "---------------
\n" ); document.write( "R(100) = 120*100 + 4000
\n" ); document.write( "R(100) = 1200 + 4000
\n" ); document.write( "R(100) = 5200
\n" ); document.write( "--------------
\n" ); document.write( "R(101) = 120*101 + 4000
\n" ); document.write( "R(101) = 5200 + 120 = 5320
\n" ); document.write( "---------------------------------
\n" ); document.write( "Each additional hour increases her revenue by $120.00.
\n" ); document.write( "---------------------------------
\n" ); document.write( "Notice that the 120 is the slope of the function.
\n" ); document.write( "margin for business is the same as slope for mathematics.
\n" ); document.write( "==================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );