4. Team Rocket is on a boat positioned at the origin (0,0). They spot a Magikarp at the point (30,0) and fire a net at it. The net is attached to a rope 30 ft. long that is tethered to the boat. As the boat travels along the positive y-axis, the Magikarp is pulled behind the boat along a path y = fix). The Ma gikarp is always pointed directly at the boat and the rope is always tangent to the path y 2 fix). x/QOO --- 332 (a) Show that f' = ---- fl