POINTTSS Let r(x) be defined by the rational expression below and answer the following questions about key features of r(x): 3x² + 6x r(x) = ₂2 x+5 +6
a) At x = -2, the graph of r(x) has
b) At x = 0, the graph of r(x) has
c) at x = 3, the graph of r(x) has
d) r(x) has a horizontal asymptote at​