Number of distinct factors 1 1 � x -intercept(s) � = 0 x=0 Tangent to or crosses the � x -axis at each � x -intercept? crosses Number of turning points 0 0 Number of turning points at a global maximum; at a local (non-global) maximum 0 0 ; 0 0 Number of turning points at a global minimum; at a local (non-global) minimum 0 0 ; 0 0