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Cloud [144]
3 years ago
13

Let the sequence {an} be defined so that a1 = 1 and each succeeding term is found by adding 3 to the one before it. Find the for

mula representing an, the nth term of the sequence.
A) n - 2
B) n + 3
C) 3n - 2
D) 3n + 3
Mathematics
1 answer:
Sauron [17]3 years ago
6 0

Answer:

C

Step-by-step explanation:

The sequence is arithmetic with n th term

a_n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 1 and d = 3, thus

a_{n} = 1 + 3(n - 1) = 1 + 3n - 3 = 3n - 2 → C

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