A Long,thin Rod Lies Along the X-Axis

Multiple Choice

A long,thin rod lies along the x-axis.One end of the rod is located at x = 2.00 m and the other end of the rod is located at x = 6.00 m.The linear mass density of the rod is given by ,where a = 0.100 kg/ and b = 0.200 kg/m.What is the location of the center of mass of the rod?

A) x = 4.56 m
B) x = 4.00 m
C) x = 4.82 m
D) x = 5.10 m
E) x = 3.10 m