The function models the mass, in grams, of a radioactive substance remaining after days. What is the best interpretation of the statement "" in this context?
The substance decays by approximately 59.05 grams per day.
The initial mass of the substance was approximately 59.05 grams.
After 5 days, the mass of the substance is approximately 59.05 grams.
The substance loses approximately 59.05 grams in 5 days.
