(2 points each) The number of bacteria in a culture doubles every 4 hours. There are 570 bacteria present in the culture initially. (a) Find the...

4. (2 points each) The number of bacteria in a culture doubles every 4 hours. There are 570 bacteria present in the culture initially. (a) Find the growth constant for the culture. (b) How many bacteria will be in the culture after 7 hours? 1 5. (4 points each) Consider the function f (x) = x + . x (a) What is the domain of the function?