Find C and a so that f(x) - Call models the situation described. State what the variable x represents in your formula There are initially 9000 bacteria, and this sample doubles in size every hour.
What does the variable x represent?
O A. The variable x represents the amount of bacteria present after f(x) hours.
OB. The variable x represents the initial amount of bacteria.
OC. The variable x represents the rate of decay of the bacteria.
OD. The variable x represents the time in hours