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Question: A sequence can be generated by using an = 4a(n−1), where a1 = 4 and n is a whole number greater than 1. What are the first four terms in the sequence? F.4, 20, 100, 500 G.4,16, 64, 256 H.4, 8, 12, 16 J.4, 20, 40, 60
To generate the sequence using the given recurrence relation \(a_n = 4a_{n-1}\), where \(a_1 = 4\) and \(n\) is a whole number greater than 1, we can follow these steps to determine the first four terms: 1. The first term \(a_1\) is given as 4. 2. To find the second term \(a_2\): \[ a_2 = 4a_1 = 4 \times 4 = 16 \] 3. To find the third term \(a_3\): \[ a_3 = 4a_2 = 4 \times 16 = 64 \] 4. To find the fourth term \(a_4\): \[ a_4 = 4a_3 = 4 \times 64 = 256 \] Thus, the first four terms in the sequence are: 4, 16, 64, 256. The correct answer is: G. 4, 16, 64, 256
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To find the subsequent terms in the sequence you described, we follow the rule: each term is obtained by multiplying the two preceding terms and then doubling the result.
1. First term = 2
2. Second
Let's calculate the terms according to the rule you provided:
1st term = 2
2nd term = 5
To find the 3rd term:
Multiply the 1st and 2nd terms and add 1.
\[ \text{3rd term} = (2 \times 5) + 1 = 10 + 1
Ask AI: The first term is 1 and the second term 2. The rest of the terms are found by adding the two terms before it together, and then doubling the answer.
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