Question

Write the nth term of the following sequence in terms of the first term of the sequence.

1, 8, 15, 22, . . .

I know that it is asking for the general term, but does anyone have a method to finding one?

Answer 1

first u need to figure outthe type of series......

Answer 2

arithmetic. But can't they be both?

Answer 3

nope........... but can be a combination of arthmetic and geometric if we break them down.

Answer 4

now,since u figured out the type of series...... now can u find common difference

Answer 5

Isn't the difference just 7?

Answer 6

ya... u r very correct

Answer 7

now do u know the first term

Answer 8

I am sure u know it

Answer 9

the first term is 1

Answer 10

now use this