Answer:
3 and 5
Explanation:
The common difference d in an arithmetic sequence is
d = a₂ - a₁ = - 1 - (- 3) = - 1 + 3 = 2
To obtain a term in the sequence add d = 2 to the previous term, that is
a₄ = a₃ + 2 = 1 + 2 = 3
a₅ = a₄ + 2 = 3 + 2 = 5
3, 5
It is counting up by +2
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