Solve the Problem A) $12,300 \mathrm { ft } ^ { 3 }$

Multiple Choice

Solve the problem.
-A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3 -foot intervals across the length of the pool. Estimate the volume of water in the pool using the Trapezoidal Rule.
$\begin{array}{l|l}\text { Width (ft) } & \text { Depth (ft) } \\\hline 0 & 5 \\3 & 5.5 \\6 & 6 \\9 & 7 \\12 & 7.5 \\15 & 8 \\18 & 9\end{array}$

A) $12,300 \mathrm { ft } ^ { 3 }$
B) $8200 \mathrm { ft } ^ { 3 }$
C) $14,400 \mathrm { ft } ^ { 3 }$
D) $10,900 \mathrm { ft } ^ { 3 }$