You purchase 4 videos. The original price of each video is x dollars. You decide to purchase the limited edition versions of the
1 answer:
You purchase 4 videos
The original price of each video is x dollars
You decide to purchase the limited edition versions of the videos for an additional cost
Your total cost is (4x + 20) dollars
So, total additional cost is $20
since, we are purchasing 4 videos
so, additional cost in each videos is
So, limited edition cost additional $5 per videos.........Answer
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If 
, then you have
By the intermediate value theorem, there will be some number
such that 
(i.e. 
will have a root in 
) if you can guarantee that 
or 
.
Since the coefficients
are all positive, then you know right away that 
, so you need to have 
in order for there to be such a 
.
This means you need to have
which means (A) must be the answer.
By the intermediate value theorem, there will be some number
Since the coefficients
This means you need to have
which means (A) must be the answer.