What are all of the x-intercepts of the continuous function in the table? (A) (0,8) (B) (-4,0) (C) (-4,0) (4,0) (D) (-4,0), (0,8), (4,0)

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.