A Graph Shows the Price of a Kilo of Cucumbers

Multiple Choice

A graph shows the price of a kilo of cucumbers on the vertical axis and the quantity of new cars sold by Honda on the horizontal axis. The price of a kilo of cucumbers remains constant as the quantity of new cars sold increases. The graph of these data is a

A) horizontal line.
B) negatively sloped line.
C) curve with a maximum.
D) vertical line.
E) positively sloped line.