Question

?

The first term of an arithmetic sequence is 3 and the
common difference is 5. What is the nth term of this
sequence?
5n + 3
3n + 5
5n - 2
5+n

Answer 1

`\bold{a_n=5n-2}`

Explanation:

`a_n=a_1+d(n-1)\\\\a_1=3\\d=5\\\\a_n=3+5(n-1)\\a_n=3+5n - 5\\a_n=5n-2`