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19 votes
19 votes
Directions in the picture, i need to do number 30

Directions in the picture, i need to do number 30-example-1
User Slellis
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1 Answer

13 votes
13 votes

Hello there. To solve this question, we'll have to remember some properties about growth or decay functions and how to rewrite expressions.

Given the expression no. 30:


y=a(0.25)^{(t)/(9)}

We can rewrite:


0.25=1-0.75

Therefore we have:


y=a(1-0.75)^{(t)/(9)}

In this case, we get r = 0.75, that means a decay rate, because the values will get smaller and smaller as t increases.

The end behavior of this function is getting close to zero when t is sufficiently large.

User Jaylene
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