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In a sequence defined by a_n = 3n + 2, what is the value of a_7? (2023)
In a sequence defined by a_n = 3n + 2, what is the value of a_7? (2023)
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In a sequence defined by a_n = 3n + 2, what is the value of a_7? (2023)
23
20
19
21
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Substituting n = 7 into the formula gives a_7 = 3(7) + 2 = 21 + 2 = 23.
Questions & Step-by-step Solutions
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Q
Q: In a sequence defined by a_n = 3n + 2, what is the value of a_7? (2023)
Solution:
Substituting n = 7 into the formula gives a_7 = 3(7) + 2 = 21 + 2 = 23.
Steps: 6
Show Steps
Step 1: Identify the formula for the sequence, which is a_n = 3n + 2.
Step 2: Determine the value of n we need to use. In this case, n = 7.
Step 3: Substitute n = 7 into the formula: a_7 = 3(7) + 2.
Step 4: Calculate 3 times 7, which is 21.
Step 5: Add 2 to the result from Step 4: 21 + 2 = 23.
Step 6: Conclude that the value of a_7 is 23.
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