Answer:
[tex] A(x) = \frac{ 4x + 800 }{x}[/tex]
Step-by-step explanation:
[tex]C(x) = 4x + 800.... (given)[/tex]
[tex] \because \: A(x) = \frac{C(x) }{x}[/tex]
[tex] \therefore \: A(x) = \frac{ 4x + 800 }{x}[/tex]
