Find the Logistic Function That Satisfies the Given Conditions $= 15$

Multiple Choice

Find the logistic function that satisfies the given conditions.
-Initial value $= 15$ , limit to growth $= 60$ , passing through $( 1,24 )$

A) $f ( x ) = \frac { 24 } { 1 + 2 ( 1 / 3 ) ^ { x } }$
B) $f ( x ) = \frac { 60 } { 1 + 3 ( 1 / 2 ) ^ { x } }$
C) $f ( x ) = \frac { 15 } { 1 + 3 ( 1 / 2 ) ^ { x } }$
D) $f ( x ) = \frac { 60 } { 1 + 2 ( 1 / 3 ) ^ { x } }$