Finding the Domain Without the Graph. OK, so suppose we don't have the graph of a function to look at like in the last section... Can we still find the domain and range? So, we'll just be doing domains on these -- which is really where the action is anyway. Asking for the domain of a function is the same as asking. What are all the possible x guys.
1 barrel of crude oil = 42 US gallons (159 liters or 35 imperial gallons). It produces from about 35 percent to 42 percent of gasoline or petrol, plus many other products such as kerosene, etc.
How much gasoline does the United States consume? In 2016, about 143.37 billion gallons (or about 3.41 billion barrels1) of finished motor gasoline were consumed2 in the United States, a daily average of about 391.73 million gallons (or about 9.33 million barrels per day).3 This was the largest amount of annual motor gasoline consumption on record. 1 There are 42 U.S. gallons in a barrel.