document.write( "Question 905468: Use the cubic function to estimate GDP in year 2015.\r \n" );
document.write( "\n" );
document.write( "I got ax^3+bx^2+cx+d \n" );
document.write( "a=.1145 \n" );
document.write( "b=-7.550 \n" );
document.write( "c=184.74822 \n" );
document.write( "d=603.23764\r \n" );
document.write( "\n" );
document.write( "how do i put this in the cubic function format? \n" );
document.write( "
![\"\"](\"/images/stars/stars-13.gif\")
