1.1.1 The pricewdemand equation for gasoline is 0.22: + 5p = 801 1Where p is the price per gallon and :r, is the daily.r demand measured in millions of gallons. {*1} (b) (C) (d) Write the demand f (p) as a function of price. fl?) = Sum 1What is the demand if the price is $4.00 per gallon? Use the correct units to express your answer. Sum What price should be charged if the demand is 50 million gallons? Sum If the price increases by $0.40, by how much does the demand decrease