(Click on a graph to enlarge it) 6. (1 point) Find a formula for the quadratic function whose graph has its vertex at (- 1, 4) and its y-intercept at y = 2. help (formulas) 7. (1 point) Consider the function 8.x + 4 12 -3x - 54 Find the vertical asymptote(s). If there is more than one ver- tical asymptote give a list of the x-values separated by commas