For the Demand Equation Where X Represents the Quantity

Multiple Choice

For the demand equation where x represents the quantity demanded in units of a thousand and p is the unit price in dollars, determine the quantity demanded when the unit price is set at $6. ​

A) x = 400 units
B) x = 3,000 units
C) x = 4,000 units
D) x = 40 units
E) x = 2,000 units