The roller coasters potential energy is greater at point 1 because, it's the beginning and the energy hasn't yet been used. When it reaches point 4 the energy is low because it was just moving.
I hope this helps I might be wrong and there was no picture to go along with the problem :)
Answer:
Potential energy is directly related to the height of an object. Point 1 is higher than point 4, so the potential energy is greater at point 1.
Step-by-step explanation:
