The given expression \(a¹ = n² + 4\) appears to be written in a slightly unconventional format. Typically, the notation would be written as \(a_1 = n^2 + 4\) or \(a_1 = n^2 + 4\).

Given this, it looks like \(a_1\) is the first term of a sequence defined by \(n^2 + 4\). 

If \(n = 2\), then:

\[ a_1 = 2^2 + 4 \]
\[ a_1 = 4 + 4 \]
\[ a_1 = 8 \]

So, if \(n = 2\), then \(a_1 = 8\).

Would you like more details or have any questions?

Here are 8 related questions to expand on this information:

1. What is the general form of the sequence \(a_n\) for other values of \(n\)?
2. How would you find the second term (\(a_2\)) of the sequence?
3. What is the value of \(a_3\) if the sequence is \(a_n = n^2 + 4\)?
4. How does the sequence \(a_n = n^2 + 4\) behave as \(n\) increases?
5. Can you express \(a_n\) in terms of a different variable?
6. How does this sequence relate to other quadratic sequences?
7. What would be the first term if the sequence was \(a_n = n^2 + k\) for \(k = 5\)?
8. How can you graph the sequence \(a_n = n^2 + 4\)?

**Tip:** When working with sequences, always identify the rule that defines the sequence, and apply it consistently to find each term.

Explore the sequence defined by a_n = n^2 + 4 and understand its properties with detailed examples. Learn how to find specific terms and graph the sequence effectively. Suitable for students in Grades 9-12.

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