write the equation
a) 250mg of a drug has a half life of 3 hours
b) the population of acity with 34560 people growns 3% each year
c) 100 people brought a new product the first month. the number of people who buy the product doubles every 5 months.
amount = 250 (1/2)^(t/3) , where t is hours
b) pop = 34560(1.03)^n , where n is in years
you try the third one