Solve the Problem by Integration A) -163
B) 1

Multiple Choice

Solve the problem by integration.
- $\text { Find the } x \text {-coordinate of the centroid of the area bounded by } y \left( x ^ { 2 } - 9 \right) = 1 , y = 0 , x = 4 \text {, and } x = 7 \text {. }$

A) -1.63
B) 1.63
C) 1.69
D) 5.08