The function y=x^2-4x+5 approximates the height, y, of a bird, and its horizontal distances, x, as it files from one fence post to another. All distances are feet. Complete the square to find and interpret the extreme value (vertex).

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?