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Math·Advanced Math·Nonlinear functions

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At the time of posting a video, a social media channel had $67$ subscribers. Each day for five days after the video was posted, the number of subscribers doubled from the number the previous day. Which equation gives the total number of subscribers, $n$, to the channel $d$ days after the video was posted?

A

$n=(67{)}^d$

B

$n=67(2{)}^d$

C

$n=(67{)}^2+d$

D

$n=67{\left(\frac{1}{2}\right)}^d$