3 years ago

Write an equation that models the sequence 400, 200, 100, 50, ...

2 answers:

3 0

You're starting at 400. Each time you're cutting in half.

So the common ratio is 1/2 which means the equation is

$\Large y = 400(1/2)^{x-1}$

which is in the geometric sequence format. So the answer is choice D

Svetlanka [38]3 years ago

3 0

Answer:

he answer is D.)y = 400(1/2)X-1

Step-by-step explanation:

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