Answer:
[tex]a_{n}[/tex] = 0.5n + 1.2
Step-by-step explanation:
The formula for the n th term of an arithmetic sequence is
[tex]a_{n}[/tex] = a₁ + (n - 1)d
where a₁ is the first term and d the common difference.
Here a₁ = 1.7 and d = 0.5, thus
[tex]a_{n}[/tex] = 1.7 + 0.5(n - 1) = 1.7 + 0.5n - 0.5 = 0.5n + 1.2
