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If a sequence is defined by a_n = 3n + 1, what is a_5?
If a sequence is defined by a_n = 3n + 1, what is a_5?
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Q1
If a sequence is defined by a_n = 3n + 1, what is a_5?
14
15
16
17
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a_5 = 3(5) + 1 = 15 + 1 = 16.
Questions & Step-by-step Solutions
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Q
Q: If a sequence is defined by a_n = 3n + 1, what is a_5?
Solution:
a_5 = 3(5) + 1 = 15 + 1 = 16.
Steps: 5
Show Steps
Step 1: Identify the formula for the sequence, which is a_n = 3n + 1.
Step 2: Substitute n with 5 in the formula to find a_5. So, we have a_5 = 3(5) + 1.
Step 3: Calculate 3 times 5, which is 15.
Step 4: Add 1 to the result from Step 3. So, 15 + 1 equals 16.
Step 5: Therefore, a_5 is 16.
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