A Non-Uniform Rod of Length L and Mass M Is

Multiple Choice

A non-uniform rod of length L and mass M is pivoted about one end.The moment of inertia of this rod about its pivoted end is 1ML²/4.Attached to the rod is a mass 3M at its midpoint and at the end opposite the pivot is another mass 2M.What is the moment of inertia of this configuration about the pivot?

A) 3ML²
B) 2ML²
C) 4ML²
D) 5ML²
E) None of the above answers is correct.