A function y= F ( x ) has First derivative dy _ 2 ( *+4) ( x - 3 ) dx AL X = - 4 and * = 3, we have ? ( x - 4) 5 O Vertical tangents O Horizontal burgent 1 A horizontal tangent (*= -4) and avertical tangent (x= 3). O A vertical tangent (x= -4) and a horizontal tangent (x= 3). 1 Horizontal astmptotes