document.write( "Question 58499: f(x)=-2x^2-3x+8, find f(-2)please! \n" ); document.write( "
Algebra.Com's Answer #40148 by mifarnc(2)![]() ![]() ![]() You can put this solution on YOUR website! If the f(x) is equal to -2 Then, \n" ); document.write( "replace -2 for x in the problem. \n" ); document.write( "Such as:\r \n" ); document.write( "\n" ); document.write( "f(x)= -2x^2-3x+8\r \n" ); document.write( "\n" ); document.write( "F(-2)= -2(-2)^2-3(-2)+8\r \n" ); document.write( "\n" ); document.write( "rememebring your order of operations, complete the exponent first.\r \n" ); document.write( "\n" ); document.write( "(-2)^2 = 4\r \n" ); document.write( "\n" ); document.write( "-2(4)-3(-2)+8\r \n" ); document.write( "\n" ); document.write( "Use order of operations again\r \n" ); document.write( "\n" ); document.write( "-2x-4=-8 \n" ); document.write( "-3x-2=6\r \n" ); document.write( "\n" ); document.write( "so now we should have\r \n" ); document.write( "\n" ); document.write( "-8+6+8\r \n" ); document.write( "\n" ); document.write( "then solve \r \n" ); document.write( "\n" ); document.write( "Therefore the F(-2) is 6 \n" ); document.write( " |