Select all that is true about a demand graph.

Price is on the vertical axis

Price is on the horizontal axis

Output is on the horizontal axis

Quantity is on the horizontal axis

Quantity is on the vertical axis

Output is on the vertical axis

Demand curves are upward sloping

Demand curves are downward sloping

Cost is on the vertical axis

Cost is on the horizontal axis

Demand curves show for each price the quantity that will be purchased at this price

Demand curves show for each quantity what is the maximum price at which this quantity will be purchased