Match the parts of the following function with their correct definitions. a(n) = a + (n - 1)d

Bis your answer rot d

N- 3 is the answer

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