The average July temperatures in the cities of Lisbon, Athens, Berlin, Rome, and Amsterdam are 72°F, 82°F, 66°F, 77°F, and 62°F
1 answer:
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Answer:
C
Step-by-step explanation:
The sequence is arithmetic with n th term
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 1 and d = 3, thus
= 1 + 3(n - 1) = 1 + 3n - 3 = 3n - 2 → C