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inessss [21]
3 years ago
13

(HELP NEEDED ASAP!!!)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
Mathematics
2 answers:
Mice21 [21]3 years ago
7 0

Answer:

F(n)= 0.50+0.15

Step-by-step explanation:

You would use the 0.50 as the input. And sin más your adding .15 as a fine, you would use 0.15.

PilotLPTM [1.2K]3 years ago
5 0

Answer:

C.  f(n)=0.15n+0.35

Step-by-step explanation:  

We have been given a sequence representing the 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, ...

An arithmetic sequence is in form a_n=a_1+(n-1)d, where a_n= nth term of sequence.  

a_1= 1st term of the sequence.

d= Common difference.

We can see from our sequence that 1st term of our sequence is 0.50.

Let us find common difference by subtracting 0.50 from 0.65.

\text{Common difference}=0.65-0.50=0.15

Upon substituting our values in arithmetic sequence we will get,

f(n)=0.50+(n-1)0.15

Upon distributing 0.15 we will get,

f(n)=0.50+0.15n-0.15

Now let us combine like terms.

f(n)=0.15n+0.50-0.15

f(n)=0.15n+0.35

Therefore, the equation f(n)=0.15n+0.35 will represent Marisa’s library fine as a function of a book that is n days overdue and option C is the correct choice.

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