Which set(s) of numbers does 81−−√ belong to? Choose all that apply Natural numbers Natural numbers

A Whole number
B Integers
C Rational Numbers
D Irrational Numbers

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.