Rounding 552,945 with the first 5 underlined

Can some one me with this math problem?

If i had 1234 apples and 1 banana what is the total amount

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.