The Equation Has Exactly One Positive Root

Multiple Choice

The equation has exactly one positive root. Locate the root between successive hundredths.
x ³ - 3x ² + 3x - 12 = 0

A) between 3.11 and 3.12
B) between 4.31 and 4.32
C) between 2.22 and 2.23
D) between 3.22 and 3.23
E) between 2.02 and 2.03