Answer: OPTION C
Explanation:
You know that in the function
the variable "y" is the number of bacterias in a petri dish and the variable "x" is the number of hours.
Then, to answer the question "How many bacteria will there be after 3 hours?", you need to substitute
into the function.
Therefore, the number of baterias after 3 hours will be:
This matches with the option C.