The function ​D(h) =7e^-0.18h can be used to find the number of milligrams D of a certain drug that is in a​ patient's bloodstream h hours after the drug has been administered. How many milligrams will be present after 1​ hour? After 9 ​hours?

The function Dh 7e018h can be used to find the number of milligrams D of a certain drug that is in a patients bloodstream h hours after the drug has been admini class=