What are the zeros of the function below? check all that apply. f(x)=x(x+7)(x+2)/(x-4)(x+4) Answer -2,0,-7

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters