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Dmitrij [34]
3 years ago
15

Which is an exponential decay function f (x)=3/4 (7/4)x f (x)=2/3 (4/5)-x. F (x)=3/2 (8/7)-x f (x)=1/3 (9/2)x

Mathematics
2 answers:
sertanlavr [38]3 years ago
7 0
If all the x's are exponents, then 3/2 (8/7)^-x is the only one that decays as x gets bigger.  That's because the base is greater than 1 and the x is negative.
zysi [14]3 years ago
6 0
To answer your question the answer is c)3/2(8/7)^x
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I think that 3 rolls is wrong and that 6 rolls is right. If you create a 15 by 15 square and draw two lines through the center that connect to the opposite corner, you'll be able to use the Pythagorean Theorem.


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Length of Line from Corner to Corner:

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225+225=C^2

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21.2(2)= 42.4ft.

42.4ft.+60ft.= 102.4ft.

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