Need help please and thank you

The answer to your problem is B. It’s showing how many ants there are to start and X represents the weeks witch the ants are multiplied every week.
Answer:
B initial number of ants
Step-by-step explanation:
The equation is an exponential equation of the form
y = a * b^x
where a is the initial value and b is the exponential growth(decay) rate
y = 75 * 3^x
75 is the initial number of ants when x =0