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FinnZ [79.3K]
3 years ago
11

2 Points

Mathematics
2 answers:
marishachu [46]3 years ago
8 0

Answer:

Option C. Substitute -x for x and simplify f(-x)

Step-by-step explanation:

astra-53 [7]3 years ago
5 0
The answer is B.hope this helps!
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Mazyrski [523]

The number of rows in the arena is 26

<h3>How to determine the number of rows?</h3>

The hockey arena illustrates an arithmetic sequence, and it has the following parameters:

  • First term, a = 220
  • Sum of terms, Sn = 10920
  • Common difference, d = 16

The number of rows (i.e. the number of terms) is calculated using:

S_n = \frac{n}{2}(2a + (n -1) * d)

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10920 = \frac{n}{2}(2 * 220 + (n -1) * 16)

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Evaluate the like terms

21840 = n(424+ 16n)

Expand

21840 = 424n + 16n^2

Rewrite as:

16n^2 + 424n - 21840 = 0

Using a graphical tool, we have:

n = 26

Hence, the number of rows in the arena is 26

Read more about arithmetic sequence at:

brainly.com/question/6561461

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