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The pattern of numbers below is an arithmetic sequence:

[tex]\[ 14, 24, 34, 44, 54, \ldots \][/tex]

Which statement describes the recursive function used to generate the sequence?

A. The common difference is 1, so the function is [tex]f(n+1) = f(n) + 1[/tex] where [tex]f(1) = 14[/tex].

B. The common difference is 4, so the function is [tex]f(n+1) = f(n) + 4[/tex] where [tex]f(1) = 10[/tex].

C. The common difference is 10, so the function is [tex]f(n+1) = f(n) + 10[/tex] where [tex]f(1) = 14[/tex].

D. The common difference is 14, so the function is [tex]f(n+1) = f(n) + 14[/tex] where [tex]f(1) = 10[/tex].

Answer :

To determine the recursive function that generates the given sequence, we first need to identify the pattern in the sequence of numbers: 14, 24, 34, 44, 54, ...

1. Identify the Common Difference:
- The sequence is an arithmetic sequence, which means each term is obtained by adding a constant value, known as the common difference, to the preceding term.
- Let's find the common difference by subtracting the first term from the second term:
[tex]\[
24 - 14 = 10
\][/tex]
- So, the common difference is 10.

2. Determine the First Term:
- The first term in the sequence is 14, so [tex]\( f(1) = 14 \)[/tex].

3. Write the Recursive Function:
- In a recursive formula for an arithmetic sequence, the next term [tex]\( f(n+1) \)[/tex] is given by the sum of the current term [tex]\( f(n) \)[/tex] and the common difference:
[tex]\[
f(n+1) = f(n) + 10
\][/tex]
- Knowing the first term, we can state that initially, [tex]\( f(1) = 14 \)[/tex].

Given these observations, the statement that describes the recursive function used to generate the sequence is:

"The common difference is 10, so the function is [tex]\( f(n+1) = f(n) + 10 \)[/tex] where [tex]\( f(1) = 14 \)[/tex]."

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