Answer:
[tex]a_{n}[/tex] = 4n
Step-by-step explanation:
Note that the values on the second row are 4 times the corresponding values on the first row , that is
1 × 4 = 4
5 × 4 = 20
10 × 4 = 40
12 × 4 = 48
15 × 4 = 60
25 × 4 = 100
Then
n × 4 = 4n ← nth term rule
