Physics Work,Power & Energy Level: Misc Level

A single conservattive force Fx =(6.0x-12) N (x is m) acts on a particle moving along the x axis. The potential energy associated with this force is assinged value of +20 J at x=0 What is the potential energy at x=3.0m?

a. +11 J

b. +29 J

c.+9.0J

d._9.0J

e.+20 J