Use the Matrix Capabilities of a Graphing Utility to Find $\left[ \begin{array} { c c c } 3 & 4.5 & 1.5 \\0 & 7.5 & - 3 \\0 & 0 & - 3\end{array} \right]$

Multiple Choice

Use the matrix capabilities of a graphing utility to find the determinant of the matrix $\left[ \begin{array} { c c c } 3 & 4.5 & 1.5 \\0 & 7.5 & - 3 \\0 & 0 & - 3\end{array} \right]$ .

A) $- 67.5$
B) $- 16.875$
C) $0$
D) $101.25$
E) $- 6.75$