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5 August, 10:18

A clothing store is having a sale on T-shirts. The first T-shirt you buy costs $7, and every additional shirt costs

only $5.

Let f (n) be the total cost of n shirts.

f is a sequence. What kind of sequence is it?

Choose 1 answer:

A

Arithmetic sequence

Geometric sequence

+1
Answers (2)
  1. 5 August, 10:39
    0
    Is an arithmetic sequence

    Step-by-step explanation:

    This is an arithmetic sequence, because it is a sequence of numbers in which the common difference between consecutive terms is 5
  2. 5 August, 10:46
    0
    Answer: it is an Arithmetic sequence the formula is f (n) = 7+5• (n-1)

    Step-by-step explanation:

    the first term is the price of a single shirt which is $7 the common difference is the price of any additional shirt, which is $5 therefore and explicit frma for the sequence would be f (n) = 7+5• (n-1)
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Home » Mathematics » A clothing store is having a sale on T-shirts. The first T-shirt you buy costs $7, and every additional shirt costs only $5. Let f (n) be the total cost of n shirts. f is a sequence.
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