The Only Force Acting on a 2

Multiple Choice

The only force acting on a 2.0-kg body as it moves along the x axis is given by F_x = (12 − 2.0x) N, where x is in m. The velocity of the body at x = 2.0 m is 5.5 m/s. What is the maximum kinetic energy attained by the body while moving in the +x direction?

A) 36 J
B) 39 J
C) 43 J
D) 46 J
E) 30 J