Acompany makes yellow golf balls and white golf balls the table shows the company’s sales of yellow golf balls

Apure acid measuring x liters is added to 300 liters of a 20% acidic solution. the concentration of acid, f(x)=x+60/x+300, in the new substance is equal to the liters of pure acid divided by the liters of the new substance, or f(x)=. which statement describes the meaning of the horizontal asymptote?