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Write an equation that models the sequence 400, 200, 100, 50, ... A) y = 400(2^x) B) y = 50 (2^x) C) y = 1/2x + 400 D) y = 400(1/2)^x-1

Write an equation that models the sequence 400, 200, 100, 50, ... A) y = 400(2^x) B) y = 50 (2^x) C) y = 1/2x + 400 D) y = 400(1/2)^x-1
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4 votes
Write an equation that models the sequence 400, 200, 100, 50, ...

A) y = 400(2^x)
B) y = 50 (2^x)
C) y = 1/2x + 400
D) y = 400(1/2)^x-1

User Andrii Lutskevych
by
8.2k points

2 Answers

3 votes
the correct answer is c the other guy is wrong
User Dfmuir
by
8.3k points
1 vote
None of those choices seem correct.
This formula will produce the results:
y = 400 / 2^n

User Ryan Gill
by
8.4k points
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