What is the domain of the square root function graphed below?

x>_ 3

The domain is the set of all allowed x values of a relation or function.

The smallest x can be is x = 3. This is the x coordinate of the left most point on the blue curve. Since x can be 3 or larger, we say,

domain: choice D

Every 5 minutes the amount of bacteria would double. So five minutes would allow for the bacteria to fill one bottle since you already have one filled then the next five minutes it doubled again and since u have two bottles doubling two would mean you filled the last two bottles