Choose the Logistic Function That Best Approximates the Curve $f ( x ) = \frac { 10 } { 1 + 1.5 \left( 3 ^ { - x } \right) }$

Multiple Choice

Choose the logistic function that best approximates the curve.

A) $f ( x ) = \frac { 10 } { 1 + 1.5 \left( 3 ^ { - x } \right) }$
B) $f ( x ) = \frac { 9 } { 1 + 3.5 \left( 2 ^ { - x } \right) }$
C) $f ( x ) = \frac { 10 } { 1 + 1.5 \left( 1.05 ^ { - x } \right) }$