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The function y= x - 4x+ 5 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.

Y=21.95x+10 y=22.45x solve by substitution

Asequence is a function whose is the set of natural numbers