What is the recursive formula for the sequence 3, -1, -5, -9, - a1 = 3, an = (an - ) a1 = 3, an = (an - 1) – 4 a1 = 3, an = (an - 1)(4) a1 = 3, an = (an - 1) + 4

= - 4, = 3

Step-by-step explanation:

A recursive formula allows us to find the next term in the sequence from the previous term.

note the difference between the terms in the sequence

= - 13 - ( - 9) = - 9 - (- 5) = - 5 - (- 1)  = - 1 - 3 = - 4

That is to obtain any term in the sequence we subtract 4 from the previous term, hence

= - 4, = 3

4th option is correct xy=-10

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