Suppose you are shopping and the store offers you a deal in which you can have 20% off an item that costs $100 as long as the store can raise the price of the item by the exact same percentage.
Is it better to take the percentage off the price first or to raise the price that same percentage first?
Explain.

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.