In the function below, what does the 100 mean in context of this situation? * (1 Point)
a (t) 100(1 - 0.4)'
O The initial amount of ibuprofen given in milligrams
O The ending amount of ibuprofen given in milligrams
O 40% of the ibuprofen is left after 1 hour
O There is 40% less ibuprofen after each hour