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5
The recursive formula for a geometric sequence is given below. What is the third term in the sequence?
f(1) = 2
f(n) = 3f(n − 1)
-
OA. 18
OB. 54
OC. 162
OD. 12
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Respuesta :

Medunno13
f(1) = 2
f(2) = 3f(1) = 3(2) = 6
f(3) = 3f(2) = 3(6) = 18 (A)
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  • A. 18

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  • [tex] \mathtt{f(1) = 2}[/tex]
  • [tex] \tt{f(2) \: = \: 3f \: (1) \: = \: 3(2) \: = \: 6}[/tex]
  • [tex] \tt{f(3) \: = \: 3f(2) \: = \: 3(6) \: = \: 18}[/tex]

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