Question

For the sequence an=3n-5, what is the value of a30?

Answer 1

Replace every n with 30, then evaluate

\[\Large a_{n} = 3n - 5\]

\[\Large a_{30} = 3*30 - 5\]

\[\Large a_{30} = 90 - 5\]

\[\Large a_{30} = 85\]

So the 30th term of this sequence is 85