Describe how the graph of y= x2 can be transformed to the graph of the given equation. y = x2 + 3 (5 points)

Shift the graph of y = x2 up 3 units.
Shift the graph of y = x2 down 3 units.
Shift the graph of y = x2 right 3 units.
Shift the graph of y = x2 left 3 units.

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.