Question

Hello hello?

If f(x) is the total number of bacteria present in a sample after x hours, which of the following statements best describes the meaning of f(2) = 12?

The total number of bacteria present in the sample after 12 hours is 2.

The total number of bacteria present in the sample after 6 hours is 2.

The total number of bacteria present in the sample after 2 hours is 12.

The total number of bacteria present in the sample after 6 hours is 12.

Answer 1

x= the total number of hours, so if x= 2, then that's the total number of hours. after the = would be the amount of bacteria present in that hour. With that information, you can see that the answer is C.

Answer 2

I see. Thank you, @fefetasprites !

Answer 3

You're welcome!