Solve the all parts of given question:
Question: For the velocity-versus-time graph given below, assume the same scaling of the time axis as above. The graph represents the velocity of an object that is located at the position x = -2 m at t = 0 s. Showing all work and units.
Part A: Estimate the position of the object at t = 4 s.
Part B: Estimate the position of the object at t = 8 s.
Part C: Estimate the total displacement between t = 3 s and t = 7 s.
Please show your results in detailed calculations.