Lecture Note Function
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(Since the beginning of the year, the price gasoline has been increasing a constant
rate of 2 cents per gallon per month. By June first, the price had reached $1.03
per gallon.
a. Express the price of the gasoline as a function of time and draw the graph.
b. What was the price at the beginning of the year?
c. What will the price be on October first?)
(Answer: a. Px()=+ 29 x , b.93cents/gallon, c. $1.11 per gallon)"