Homework B Ex.2D(1-5)

[情愛Joseph]

1a)the first three term:
7,11,15
b)the first three term:
8,6,4
c)the first three term:
3,8,15
d)the first three term:
1/2,1/3,1/4
2.a)the 5th term:
=15
b)the nth term:
=3n
3.a)the 5th term:
1/6
b)the nth term:
1/n+1
c)the 10th term:
1/10+1
4.a)the 6th term:
=11
b)the nth term:
=n+5
c)the 9th term:
9+5=14
5.a)the nth term:
=3n-1
b)the 8th term:
3x8-1
=23