A sequence can be generated by using the equation shown, where a1=12 and n is a whole number greater than 1.

a n =1.5+a(n-1)

What are the first four terms in the sequence?

12 13.5 16 19.5
12 13.5 15 16.5
12 13.5 16.5 21
12 13.5 15.5 18

1 answer

The first four terms in the sequence are: 12, 13.5, 15, 16.5