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16.03.2020 • 

Mathematics

Carlos purchased a leather sofa four years ago for $1,500.00. Since he purchased it, its value has been decreasing by 30% per year. A. Find the missing values for the table shown. B. Explain how you found each of the missing values in the table. C. Write an expression in the form a(bt) that represents the value of the sofa in dollars t years after Carlos purchased it. Then test your expression for t = 0, 1, 2, 3, and 4. Show your work.

Ответ:

BaileyElizabethRay

06.08.2020

Mathematics

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From the graph at x = 0, y = 0

Check1:
y = cosx

0 = cos(0)
0 = 1

therefore, this is not the function

Check2:
y = sinx
0 = sin(0)
0 = 0

therefore, this is the function

Conclusion:

the function in the graph is y = sinx

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