The function y = x2 - 4x + 8 approximates the height, y, of a bird, and its
horizontal distance, x, as it flies from one fence post to another. all distances
are in feet. complete the square to find and interpret the extreme value
(vertex).
select two answers: one extreme value and one interpretation.
height (feet)
distance (feet)
a. minimum at (2,4)
o
b. when the bird is 2 feet away from the first fence post, it reaches
its minimum height of 4 feet.
i c. minimum at (4,8)
i
d. when the bird is 4 feet away from the first fence post, it reaches
its minimum height of 8 feet.