document.write( "Question 480852: Find f(-2) given that f(x) = 4x^2-2x-25 \n" ); document.write( "
\n" ); document.write( "Hi\n" ); document.write( "Find f(-2) given that f(x) = 4x^2-2x-25\n" ); document.write( "substituting -2 for x:\n" ); document.write( " f(-2) = 4(-2)^2 -2(-2) -25 = 16 + 4 - 25 = -5