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kenai
kenai kenai
  • 27-06-2016
  • Mathematics
Answered

Three terms of an arithmetic sequence are shown below. Which recursive formula defines the sequence?: f(1) = 6, f(4) = 12, f(7) = 18

Af (n + 1) = f(n) + 6

Bf (n + 1) = 2f(n)

Cf (n + 1) = f(n) + 2

Df (n + 1) = 1.5f(n)

Verified Answer :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 02-07-2016

a = 6
tn = a + (n - 1)d
t4 = 6 + 3d = 12
3d = 12 - 6 = 6
d = 6/3 = 2
f(n + 1) = f(n) + 2

Answer Link
nada19 nada19
  • 04-11-2019

Answer: The answer is c.) f (n + 1) = f(n) +2

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