Answer:
5, 9, 13, 17, 21, 25
Step-by-step explanation:
Given a₁ = 5 and d = 4
Add d = 4 to the previous term, that is
a₁ = 5
a₂ = a₁ + 4 = 5 + 4 = 9
a₃ = a₂ + 4 = 9 + 4 = 13
a₄ = a₃ + 4 = 13 + 4 = 17
a₅ = a₄ + 4 = 17 + 4 = 21
a₆ = a₅ + 4 = 21 + 4 = 25
