what is the slope (cost rate, cost/mag) of Mag A?
what is 14.70/6 ? How does that compare to .25? The larger number is the "steepest" slope.
tell which Magazine has steepest graph.
Magazine A
Months Cost ($)
2 months 4.90
4 months 9.80
6 months 14.70
Magazine B
c = 0.25 m
c = total cost in dollars
m = number of months the magazine is received
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