document.write( "Question 791226: Cell Phone service: Sprint PCS offers a monthly cellular phone plan for $39.99. It includes 450 anytime minutes and charges $0.45 per minute for additional minutes. The following function is used to compute the monthly cost for a subscriber:
\n" ); document.write( "C(x)= { 39.99 if 0<_ x<_ 450
\n" ); document.write( " 0.45x-162.51 if x>450
\n" ); document.write( "Where x is the number of anytime minutes used. Compute the monthly cost of the cellular phone for use of the following number of anytime minutes:
\n" ); document.write( "a) 200 b) 465 c)451
\n" ); document.write( "

Algebra.Com's Answer #479474 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Cell Phone service: Sprint PCS offers a monthly cellular phone plan for $39.99. It includes 450 anytime minutes and charges $0.45 per minute for additional minutes. The following function is used to compute the monthly cost for a subscriber:
\n" ); document.write( "C(x)= { 39.99 if 0<_ x<_ 450
\n" ); document.write( "0.45x-162.51 if x>450
\n" ); document.write( "Where x is the number of anytime minutes used. Compute the monthly cost of the cellular phone for use of the following number of anytime minutes:
\n" ); document.write( "a) C(200) = 39.99
\n" ); document.write( "--------
\n" ); document.write( "b) C(465) = 0.45*465 - 162.51 = 46.74
\n" ); document.write( "--------
\n" ); document.write( "c) C(451)= 0.45*451 - 162.51 = 40.44
\n" ); document.write( "================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "================
\n" ); document.write( "
\n" ); document.write( "
\n" );