A field hockey player's position along a one-dimensional coordinate system is -4 m. Two seconds later, the field hockey player's position is -2 m, five seconds after that, her position

is +5 m, and three seconds after that, her position is +1 m. What is the hockey player's total displacement at the end of the ten seconds? a) -3 m b) 5 m c) 13 m d) 3 m e) -8 m