Question

For each sentence,find the first 4 terms and the 10th term.

a)2n+7


b)4n-7

Answer 1

a) 9, 11, 13, 15, ..., 27

b) -3, 1, 5, 9, ..., 33

Explanation:

a)

1. 2(1)+7=9

2. 2(2)+7=11

3. 2(3)+7=13

4. 2(4)+7=15

10. 2(10)+7=27

b)

1. 4(1)-7=-3

2. 4(2)-7=1

3. 4(3)-7=5

4. 4(4)-7=9

10. 4(10)-7=33