The graph of function f is shown below. It represents the distance Chloe travels while searching for her car keys. Distance (in meters) is the input and time (in seconds) is the output.

1+1=22×1=22-1=11-1=1duh

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