What is the graph of the function f(x) = the quantity of negative x squared plus 4 x plus 6, all over x plus 4 ? (6 points) Select one: a. graph with vertical asymptote of x equals 4, and oblique asymptote of y equals negative x b. graph with vertical asymptote of x equals negative 4, and oblique asymptote of y equals negative x plus 8 c. graph with vertical asymptote of x equals negative 4, and oblique asymptote of y equals x d. graph with vertical asymptote of x equals 4, and oblique asymptote of y equals x plus 8