Which formula can be used to describe the sequence below?

-8, - 5, - 2, 1,4,

add by 3

Step-by-step explanation:

-8+3=-5

-5+3=-2

-2+3=1

1+3=4

Step-by-step explanation:

this is a arithmetic sequence the first term is : A1 = - 8

the comon difference is d = - 5 - (-8) = -2 - (-5) = 1 - (-2) = 4-1 = 3

the formula can be used to describe this sequence is:

An = A1 + (n-1) d

An = - 8 + 3 (n-1)

An = 3n - 11