Which formula gives the nth term of 5, 8, 11, 14, ldots?

  1. 5n+3
  2. 3n+2
  3. 3n+5
  4. 3n+3
Answer

B) 3n+2

The terms go up by 3, so the rule is 3n + c. With n = 1: 3 + c = 5, so c = 2 and the rule is 3n+2. SLO M-09-A-10 · Understanding

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