Copy central prince Grace still in colored copies yesterday they printed nine gray scale copies for every two colored copies if they printed 20 colored copies how many gray scale copies were printed

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.