Aight come on i need the answer to this question
1 answer:
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Answer:
= 15n - 60
Step-by-step explanation:
The n th term ( explicit formula ) of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = - 45 and d = - 30 - (- 45) = - 30 + 45 = 15, thus
= - 45 + 15(n - 1) = - 45 + 15n - 15 = 15n - 60