Write the first five terms of the sequence described by the recursive formula f (1) = 2, f (x) = f (x-1) * 4

Question

Mathematics

Phillip

26 April, 08:42

Write the first five terms of the sequence described by the recursive formula f (1) = 2, f (x) = f (x-1) * 4

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Answers (1)

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Tanner · Answer 1

2,8,32,128,512

Step-by-step explanation:

f (x) = f (x-1) * 4

f (1) = 2

f (2) = f (2-1) * 4=f (1) * 4=2*4=8

f (3) = f (3-1) * 4=f (2) * 4=8*4=32

f (4) = f (4-1) * 4=f (3) * 4=32*4=128

f (5) = f (5-1) * 4=f (4) * 4=128*4=512