Find the Exponential Function That Satisfies the Given Conditions $= 499 \mathrm {~g}$

Multiple Choice

Find the exponential function that satisfies the given conditions.
-Initial mass $= 499 \mathrm {~g}$ , halving once every 23 hours

A) $m ( t ) = 499 \cdot \left( \frac { 1 } { 2 } \right) ^ { 23 t }$
B) $m ( t ) = 499 \cdot 2 ^ { 23 t }$
C) $m ( t ) = 499 \cdot \left( \frac { 1 } { 2 } \right) ^ { t / 23 }$
D) $m ( t ) = 499 \cdot 2 ^ { t / 23 }$