Question

Generate the first 4 terms of the sequence with the following nth term rule...

8n - 4
answer choices
a. 4, 12, 20, 28...
b. 4, 8, 12, 16...
c. 12, 20, 28, 36...
d. 12, 16, 20, 24...

Answer 1

a. 4, 12, 20, 28...

Explanation:

8n - 4

• n = 1 → 8(1) - 4 = 8 - 4 = 4
• n = 2 → 8(2) - 4 = 16 - 4 = 12
• n = 3 → 8(3) - 4 = 24 - 4 = 20
• n = 4 → 8(4) - 4 = 32 - 4 = 28

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