3. a) An object moves back and forth along a horizontal line. Its position, velocity, and acceleration graphs are shown. Graphs, and 3 represent the 2 respectively. Explain. A. 1 C. acceleration, position, velocity B. velocity, acceleration, position position, velocity, acceleration acceleration, velocity, position D. and 3 > t functions, b) Draw vertical lines on the graph showing when the object is moving to the right.