document.write( "Question 1176283: A gas company has the following rate schedule for natural gas usage in single-family residences:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The monthly service charge $8.80
\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( "Per therm service charge
\n" ); document.write( "1st 25 therms $0.6686/therm
\n" ); document.write( "Over 25 therms $0.85870/therm\r
\n" ); document.write( "\n" ); document.write( "What is the charge for using 25 therms in one month?
\n" ); document.write( "What is the charge for using 45 therms in one month?
\n" ); document.write( "Construct a function that gives the monthly charge C for x therms of gas.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #802779 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

\r\n" );
document.write( "Hi\r\n" );
document.write( "Question States:\r\n" );
document.write( " C(25 therms) = $0.6686(25) = 16.72 \r\n" );
document.write( " C(45 therms) = 16.72 +  $0.85870(20) = $16.72 + $17.17 = $33.89\r\n" );
document.write( "\r\n" );
document.write( "  for x ≥ 25\r\n" );
document.write( " C(x) = $0.6686(25) +  $0.85870(x - 25)) \r\n" );
document.write( "\r\n" );
document.write( "Wish You the Best in your Studies.\r\n" );
document.write( "

\n" ); document.write( " \n" ); document.write( "

\n" );