Determine the Area of the Surface Generated When the Curve $\le$

Multiple Choice

Determine the area of the surface generated when the curve is revolved about the indicated axis.
-x = - , for 1 $\le$ y $\le$ 7; about the y-axis

A) 130,943 /48
B) 130,943/24
C) 130,943/24 $\pi$
D) 130,943/48 $\pi$