Amy is correct because a nonlinear association could increase along the whole data set, while being steeper in some parts than others. The scatterplot could be linear or nonlinear.
So basically the ladder is creating a right triangle with the ground and the wall. Ladder is the hypotenuse (h), building = b, ground = g b = h - 22 ft g = 1010 ft use Pythagorean Theorem to determine the length of h: The h^2 terms cancel out to = 0