A Charge Per Unit Length Given By $\lambda$ (X) = Bx, Where B = 12 NC/m2, Is Distributed

Multiple Choice

A charge per unit length given by $\lambda$ (x) = bx, where b = 12 nC/m2, is distributed along the x axis from x = +9.0 cm to x = +16 cm.If the electric potential at infinity is taken to be zero, what is the electric potential at the point P on the y axis at y = 12 cm?

A) 5.4 V
B) 7.2 V
C) 9.0 V
D) 9.9 V
E) 16 V