document.write( "Question 616968: please help.
\n" );
document.write( "Use the intermediate value theorem to determine whether the polynomial function has a zero in the given interval.\r
\n" );
document.write( "\n" );
document.write( "f(x) = 8x^3 - 10x^2 + 3x + 5; [-1, 0] \n" );
document.write( "
Algebra.Com's Answer #388047 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Use the intermediate value theorem to determine whether the polynomial function has a zero in the given interval. \n" ); document.write( "f(x) = 8x^3 - 10x^2 + 3x + 5; [-1, 0] \n" ); document.write( "------- \n" ); document.write( "f(-1) = 8*-1 - 10*1 + 3*-1 + 5 \n" ); document.write( "f(-1) = -8 -10 -3 + 5 < 0 \n" ); document.write( "------ \n" ); document.write( "f(0) = 5 \n" ); document.write( "--- \n" ); document.write( "Since f(-1) is negative \n" ); document.write( "And f(0) is positive \n" ); document.write( "and \n" ); document.write( "Since f is continuous on [-1,5] there must be a zero on that interval. \n" ); document.write( "========================= \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================= \n" ); document.write( " \n" ); document.write( " |