Which function best describes the
number of bacteria present in the
colony on day x?

Hello. The answer is A.

Step-by-step explanation:

Just put different x in the four formulas below and see which one will give you the correct amount.

I hope you understand.

A is the correct answer.

g(x) is the negative form of f(x)? because whenever its the negative form it reflects its self over the x axis. idk if this is right though.

step-by-step explanation:

its 4 because 2 times 2 is 4, if you double the number two you get four