How can you tell if a representation is
NOT a function?

What could explain what happened when the time was equal to 120 minutes

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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.