Question: The formula for tn in an arithmetic sequence is tn = -7 + ( n - 1)5 a) Identify the first term. b) Identify the

The formula fortnin an arithmetic sequence istn= -7 + (n- 1)5

a) Identify the first term.

b) Identify the common difference.

c) Simplify the formula.

d) Determinet18.

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