SOLUTION: If the linear equation y=.15x+.79 represents an estimate of the avereage cost of gas for year x starting in 1997. What does the y-intercept represent?

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Question 344502: If the linear equation y=.15x+.79 represents an estimate of the avereage cost of gas for year x starting in 1997. What does the y-intercept represent?
Answer by JBarnum(2146) About Me  (Show Source):
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if 1997 is the starting year then the y-intercept of .79 means that it was 79cents on average for the year 1997.