F(x)=x(4x+9)(x−2)(2x−9)(x+5)f, (, x, ), equals, x, (, 4, x, plus, 9, ), (, x, minus, 2, ), (, 2, x, minus, 9, ), (, x, plus, 5, )has zeros at x=-5x=−5x, equals, minus, 5, x=-\frac{9}{4}x=− 4 9 x, equals, minus, start fraction, 9, divided by, 4, end fraction, x=0x=0x, equals, 0, x=2x=2x, equals, 2, and x=\frac{9}{2}x= 2 9 x, equals, start fraction, 9, divided by, 2, end fraction. what is the sign of fff on the interval 0