Write the ordered pair of the vertex of the quadratic function. (5 Points)
f (x) = (x + 2)2 + 4

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

Which of these tables represents a non-linear function?