Posted by Anonymous on .
3. The linear equation
y=0.15x+.079
represents an estimate of the average cost of gas for year x starting in 1997. The year 1997 would be represented by x = 1, for example, as it is the first year in the study. Similarly, 2005 would be year 9, or x = 9.
c) What is the slope (or rate of change) of this equation?

Algebra 
Damon,
If you tried to copy and paste, that does not work here. Type the problem out.