The sequence below represents Marisa's fine at the library for each day that she has an overdue book: $0.50, $0.65, $0.80, $0.95, $1.10, ... Which equation represents Marisa's library fine as a function of a book that is n days overdue? f (n) = 0.15n f (n) = 0.50n f (n) = 0.15n + 0.35 f (n) = 0.50n + 0.15

Question

Mathematics

Madalynn Ray

14 March, 08:08

The sequence below represents Marisa's fine at the library for each day that she has an overdue book: $0.50, $0.65, $0.80, $0.95, $1.10, ... Which equation represents Marisa's library fine as a function of a book that is n days overdue? f (n) = 0.15n f (n) = 0.50n f (n) = 0.15n + 0.35 f (n) = 0.50n + 0.15

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Answers (1)

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Darryl Webb · Answer 1

From the given values of the library fine each day, we can conclude that F (n) = 0.15n+0.35.

To verify the answer, replace n=1,2,3, ...

F (1) = 0.15 (1) + 0.35=0.5

F (2) = 0.15 (2) + 0.35 = 0.65

F (3) = 0.15 (3) + 0.35=0.8

Marisa's fine athe library could be represneted by the function F (n) = 0.15n+35.