1. Given a sequence is defined by the explicit definition tn=n^2+n, find the 4th term of the sequence. (ie t4)
A) 4
B) 8
C) 20
D) 1806

2. Given the sequence is defined by the explicit definition tn=2^n-n, find the 5th term of the sequence. (ie t5)
A) 5
B) 10
C) 27
D) 32