Determine if the matrix below is invertible. Use as few calculations as possible. Justify your answer. [Start 3 By 3 Matrix 1st Row 1st Column 3 2nd Column 0 3rd Column 0 2nd Row 1st Column negative 5 2nd Column negative 4 3rd Column 0 3rd Row 1st Column 7 2nd Column 6 3rd Column negative 1 EndMatrix ]Choose the correct answer below. A. The matrix is not invertible. The given matrix has two pivot positions. B. The matrix is not invertible. If the given matrix is A, the equation Axequalsb has no solution for some b in set of real numbers R cubed. C. The matrix is invertible. The given matrix has three pivot positions. D. The matrix is invertible. If the given matrix is A, there is a 3times3 matrix C such that CIequalsA.