Chapter 8.3, Problem 3PT

The y-coordinate of the center of mass of the region bounded by $y=\sqrt{x-1}$, x = 1, x = 5, y = 0 is:

1. a) $\frac{3}{14}$
2. b) $\frac{3}{4}$
3. c) $\frac{14}{3}$
4. d) 4