4. Phoebe constructs a scatter plot to show the data. What scales could she use for the x- and y-axes? Height and Shoe Size Shoe Size 8 7 8 6 5 7 6 Height (in.) 60 64 63 60 54 59 60

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.