By factoring, I found that (-3, 4) is something (vertex?), but after that I'm lost and need some help.

2.) Let y = f (x) = -x^2 + 7x – 12.

(If any of the questions below cannot be answered, write ‘NONE’ in the blank provided)

a.) Give the ordered pair for the y-intercept: ________________________

b.) Give the ordered pair(s) for any x intercepts: ____________________

c.) List all x-values that give y a value of 2: ________________________