Please help! Use the graph to write an explicit function to represent the data and determine how much money Shelley earned in week 5.
a.)f(n) = 5(3)n − 1; f(5) = 405
b.) f(n) = 6(3)n − 1; f(5) = 486
c.)f(n) = 6(3)n; f(5) = 1,458
d.)f(n) = 6(3)n + 1; f(5) = 4,374
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![Please help Use the graph to write an explicit function to represent the data and determine how much money Shelley earned in week 5 afn 53n 1 f5 405 b fn 63n 1 class=](https://us-static.z-dn.net/files/d20/d302f5d0db630003a068191f0105e368.png)