Question

The nth term of a number sequence is n2 + 7(a) Find the first three terms of this sequence.​

Answer 1

Answer:

8, 11, 16

Step-by-step explanation:

To find the first 3 terms substitute n = 1, 2, 3 into the n th term formula

$a_{1}$ = 1² + 7 = 1 + 7 = 8

$a_{2}$ = 2² + 7 = 4 + 7 = 11

$a_{3}$ = 3² + 7 = 9 + 7 = 16

Answer 2

Answer:

9,11,13

Step-by-step explanation:

(1)2+7

2+7=9

(2)2+7

4+7=11

(3)2+7

6+7=13