Consider the sequence 3, 7, 11, 15, ... Enter numbers in the boxes to represent the third term as an ordered pair. ( , )

Answer 1

a1=3

a2=7

a3=11

a4=15

a5=19

an=4n-1

3rd term is 11, or (3,11)

nth term is 4n-1 or (n,4n-1)

y=4x-1 or y=4n-1

y=4(3)-1 = 12-1 = 11

(3,11)