Determine the work done by the force F= (5.60x+2.00y) N/m acting on an object as it moves in the following manners. 

(a) along the x axis from x_i= 0 to x_f=5.91m 

 (b) along they axis from y_i = 0 to y_f =3.90m 

 (c) from the position (x_i,y_i) = (0, 0)to the position (x_f,y_f) = (5.91m,3.90m)