Answer:
[tex]C'(x)=-\frac{148}{x^2}[/tex]
[tex]R'(x)=-0.06[/tex]
Step-by-step explanation:
Marginal average Cost function:
[tex]\frac{d}{dx}(\frac{148+6.3x}{x})=-\frac{148}{x^2}[/tex]
Marginal average Revenue function:
[tex]\frac{d}{dx}(\frac{3x-0.06x}{x})=-0.06[/tex]
