Question

The nth term of a sequence is n2 + 3. Find the first 3 terms of this sequence.

Answer 1

assuming you mean
`n^2+3`

first term is n=1, so 1²+3=1+3=4
2nd is n=2 so 2²+3=4+3=7
3rd is n=3 so 3²+3=9+3=12

the first 3 terms are 4,7,12