Question

find the nth term of 7,15,23,31,...

Answer 1

Answer:

I think  

47

and

55

Step-by-step explanation:

I think that each number is the previous one plus 8;

7

+

8

=

15

15

+

8

=

23

23

+

8

=

31

31

+

8

=

39

So, next will be:

39

+

8

=

47

47

+

8

=

55

Answer 2

Answer:

the nth term of the sequence is

Tn = 8n - 1

Step-by-step explanation:

as here

t1 = 7 = 8*1 - 1

t2=15 = 8*2 -1

t3 = 23 = 8*3 -1

t4 = 31 = 8*4 -1

-----------------------