document.write( "Question 1028960: can someone help me solve this??\r
\n" );
document.write( "\n" );
document.write( " ƒ(x) = (x4)/4 − 3x3 + (23x2)/2 - 15x
\n" );
document.write( "Find the x values where the extremes occur.
\n" );
document.write( "
\n" );
document.write( " A. 1, -3, 5
\n" );
document.write( " B. 1, 3, -5
\n" );
document.write( " C. 1, 3, 5
\n" );
document.write( " D. 1, -3, -5 \n" );
document.write( "
Algebra.Com's Answer #644030 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! using calculus and taking the derivative \n" ); document.write( "x^3-9x^2+23x-15=0 \n" ); document.write( "Test each. \n" ); document.write( "1 works, and it does for all choices \n" ); document.write( "for 5, 125-225+115-15=0, so 5 works. \n" ); document.write( "for 3, 27-81+69-15=0 \n" ); document.write( "It is C. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |