A Force Has the Dependence F_x = -Ax⁴ on the Position

A force has the dependence F_x = -ax⁴ on the position x,with the constant a = 25.0 N/m⁴.The work performed by this force when the position of its point of application changes from 0.75 m to 1.25 m is

A) - 17.4 J.
B) 17.4 J.
C) - 14.1 J.
D) 14.1 J.
E) 0 J.