The following table shows the quantity supplied and quantity demanded of a commodity at certain unit prices:
Unit Price Quantity Demanded (Qd) Quantity Supplied (Qs)
$1.50 11,500 3,400
$2.75 7,125 6,525
$3.25 5,375 7,775

1. From the information given in the table above, describe in your own words, how would you go about showing that the quantity demanded and supplied are linear functions of price, without having to plot a graph.

Question

The following table shows the quantity supplied and quantity demanded of a commodity at certain unit prices:
Unit Price	Quantity Demanded (Qd)	Quantity Supplied (Qs)
$1.50	11,500	3,400
$2.75	7,125	6,525
$3.25	5,375	7,775

1.	From the information given in the table above, describe in your own words, how would you go about showing that the quantity demanded and supplied are linear functions of price, without having to plot a graph.