what is the recursive formula for this sequence?
a)a(1) = 1 and a (n-1) + 5
b)a(1) = 6 and a (n-1) + 5
c)a(1) = 6 and a(n) = a (1) + 6
d)a(1) = 1 and a (n) = a(6) + 1

B) and

Step-by-step explanation:

The given sequence is 6, 11, 16, 21,...

The common difference is d=11-6=5

The first term in the sequence is

The recursive formula for an arithmetic sequence is given as:

Substitute the above information to get:

3 1/3 x 2 3/5 = 8 2/3

step-by-step explanation:

just multiply the first number by the second number to get your answer.

entering that problem on the tube might get you an answer