The 10-Cm Long Plastic Rod in the Figure Has a Non-Uniform

The 10-cm long plastic rod in the figure has a non-uniform linear charge density $\lambda$ = cx,where c = 10^-6 C/m² and x is measured from the left end of the rod.Find the electric potential at point P on the y axis,a distance of 3 cm above the left end of the rod.

A) 5.9 * 10² V
B) 6.5 * 10¹ V
C) 9.0 * 10² V
D) 1.3 * 10³ V
E) 6.7 * 10² V