Use the Intermediate Value Theorem to Determine Whether the Polynomial $f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 9 x + 13$

Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.
- $f ( x ) = x ^ { 3 } - 3 x ^ { 2 } + 9 x + 13$ ; zero: $2 + 3 i$

A) $2 - 3 i$ , 1
B) $2 - 3 \mathrm { i } , - 1$
C) $3 - 2 i , - 1$
D) $3 - 2 \mathrm { i } , 1$

Correct Answer:

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