Question

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

@gorv

Answer 2

f(x) is no of bacteria
and x = number of hour
in f(2)
x=2 = no of bacteria

Answer 3

f(2)=12 which means no of bacteria

Answer 4

the number of bacteria present after 2 hour is 12