SOLUTION: this equation y=0.15x+0.79 represnts an estimate of the average cost of gasoline each year, how would you find the price of gasoline in the year 2018. Please show me how to find th

Question 307524: this equation y=0.15x+0.79 represnts an estimate of the average cost of gasoline each year, how would you find the price of gasoline in the year 2018. Please show me how to find the answer.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
y=0.15x+0.79
(graph 300x200 pixels, x from -6 to 5, y from -3 to 3, .15x +.79).
X=0 WOULD BE THE FIRST YEAR @ .79
X=1 WOULD BE THE NEXT YEAR & SO ON BY SUBSTITUTING THE YEAR FOR THE X VALUE.
EXAMPLE:
LET X=5.
Y=.15*5+.79
Y=.75+.79
Y=$1.54 WOULD BE THE PRICE IN THE FIFTH YEAR.
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