Evaluate the Function $\frac { 30 } { 1 + 2 \mathrm { e } ^ { - \mathrm { x } } } \text { when } \mathrm { x } = 4$

Multiple Choice

Evaluate the function. Round to two decimal places.
-Evaluate $\frac { 30 } { 1 + 2 \mathrm { e } ^ { - \mathrm { x } } } \text { when } \mathrm { x } = 4$

A) 28.94
B) 23.15
C) 57.88
D) 34.73