SOLUTION:
We are to find the zeros, multiplicity and effect.
[tex]f(x)=-2x(3x+1)^2(x+7)^7[/tex]
(i) Zero = 0, Multiplicity = 1 and Effect = Crosses
(ii) Zero = - 1/3, Multiplicity = 2 and Effect = Bounce
(iii) Zero = - 7, Multiplicity = 7 and Effect = Crosses (Point of inflection)
