Find a Bound on the Real Zeros of the Polynomial $$f ( x ) = x ^ { 5 } + 3 x ^ { 4 } + 5 x ^ { 3 } - 2 x ^ { 2 } + 4 x - 1$$

Multiple Choice

Find a bound on the real zeros of the polynomial function.
- $$f ( x ) = x ^ { 5 } + 3 x ^ { 4 } + 5 x ^ { 3 } - 2 x ^ { 2 } + 4 x - 1$$

A) $- 15$ and 15
B) $- 6$ and 6
C) $- \frac { 5 } { 3 }$ and $\frac { 5 } { 3 }$
D) $- 10$ and 10