tjcamp200 tjcamp200

26-11-2017
Mathematics

contestada

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

Respuesta :

26-11-2017

the answer is d because the amplitude is 400, and it is decreasing by a factor of 1/2.

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