Question

Find the 100th and nth term for the sequence 1,3,5,7...

I just need someone to explain how to do it, because my homework help isn't explaining it clear enough.

Answer 1

`a_(1)=1`

`a_(2)=3`

`a_(3)=5`

`a_(4)=7`

`a_(n)=2n-1`

`a_(100)=2(100)-1`

`a_(100)=200-1`

`a_(100)=199`