Which line has the least rate of change?
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A. The line passing through (2,4) and (5,13)
B. The line passing through (-1,4) and (1,7)
C. The line passing through (1,1) and (3,3)
D. The line passing through (0,6) and (12,9)
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So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho