document.write( "Question 133386: A defense attorney charges her client $4000 plus $120 per hour. The formula R=120n + 4000 gives her revenue in dollars for n hours of work. What is her revenue for 100 hours of work? What is her revenue for 101 hours of work. By how much did the one extra hour of work increase the revenue? (The increase in revenue is called the marginal revenue for the 101st hour.) \n" ); document.write( "
Algebra.Com's Answer #97577 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
A defense attorney charges her client $4000 plus $120 per hour. 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( "R(100) = 120*100 + 4000
\n" ); document.write( "--------------------------------
\n" ); document.write( "What is her revenue for 101 hours of work.
\n" ); document.write( "R(101) = 120*101 + 4000
\n" ); document.write( "-----------------------------------
\n" ); document.write( " By how much did the one extra hour of work increase the revenue? (The increase in revenue is called the marginal revenue for the 101st hour.)
\n" ); document.write( "The revenue increased $120 which is the slope of the equation
\n" ); document.write( "which in business is call the margin..
\n" ); document.write( "=======================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
\n" );