4. (03.05)
The graph shows the production of cars per day at a factory during a certain period of time. What is the domain of this function during this period? (1 point)



The domain is all real numbers o through 9.
The domain is all integers o through 9.
The domain is positive real numbers.
The domain is all positive integers.

4 0305 The graph shows the production of cars per day at a factory during a certain period of time What is the domain of this function during this period 1 poin class=