4. You download a digital soccer game for $2.50. You can add new players for
$1.50 each to upgrade your team. The total cost e is a function of the number n
of new players that you add. Which of the following statements about the
domain and the graph of the function is correct?
A The domain is discrete, and the point (4, 6) lies on the graph.
B
The domain is continuous, and the point (4. 6) lies on the graph.
The domain is discrete, and the point (5, 10) lies on the graph.
D The domain is continuous, and the point (5, 10) lies on the graph.



Answer :