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Find the first four terms of the sequence defined below, where n represents the position of a term in the sequence. Start with...Question
Find the first four terms of the sequence defined below, where n represents the position of a term in the sequence. Start with n = 1.
an = 4(3)^n
_____, _____, _____, _____
an = 4(3)^n
_____, _____, _____, _____
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GPT-4o mini
To find the first four terms of the sequence defined by \( a_n = 4(3)^n \), we will substitute values of \( n \) from 1 to 4.
1. For \( n = 1 \):
\[
a_1 = 4(3)^1 = 4 \times 3 = 12
\]
2. For \( n = 2 \):
\[
a_2 = 4(3)^2 = 4 \times 9 = 36
\]
3. For \( n = 3 \):
\[
a_3 = 4(3)^3 = 4 \times 27 = 108
\]
4. For \( n = 4 \):
\[
a_4 = 4(3)^4 = 4 \times 81 = 324
\]
Thus, the first four terms of the sequence are:
\[
12, 36, 108, 324
\]
So the answer is:
12, 36, 108, 324
1. For \( n = 1 \):
\[
a_1 = 4(3)^1 = 4 \times 3 = 12
\]
2. For \( n = 2 \):
\[
a_2 = 4(3)^2 = 4 \times 9 = 36
\]
3. For \( n = 3 \):
\[
a_3 = 4(3)^3 = 4 \times 27 = 108
\]
4. For \( n = 4 \):
\[
a_4 = 4(3)^4 = 4 \times 81 = 324
\]
Thus, the first four terms of the sequence are:
\[
12, 36, 108, 324
\]
So the answer is:
12, 36, 108, 324
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