Find Integer Bounds for the Roots of the Following Equation $3 x ^ { 5 } - 11 x ^ { 4 } - 2 x ^ { 3 } + 38 x ^ { 2 } - 21 x - 15 = 0$

Multiple Choice

Find integer bounds for the roots of the following equation. $3 x ^ { 5 } - 11 x ^ { 4 } - 2 x ^ { 3 } + 38 x ^ { 2 } - 21 x - 15 = 0$

A) none of these
B) $- 3,6$
C) $- 2,4$
D) $- 3,3$
E) $\quad 0,3$