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faltersainse [42]
3 years ago
8

The functions show two sister's savings accounts and rate at which they plan to deposit money

Mathematics
2 answers:
Margarita [4]3 years ago
7 0

Answer:

Your answer would be

Dana had a greater initial value

Your welcome!  

velikii [3]3 years ago
4 0

Answer:

dana had a greater initial value.

Step-by-step explanation:

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Kwan's parents bought a home for $50,000 in 1997 just as real estate values in the area started to rise quickly. Each year, thei
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A. First let us start with the linear model.

The equation is in the form of y = m x + b

Calculating for the slope m:

m = (309,587 – 50,000) / (2007 – 1997)

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Subsituting:

y = 25,958.7 x + b

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y = 25,958.7 x - 51,789,523.9

 

 

B. The exponential model has the following form:

y = a b^x

where a and b are constants

 

Taking x1= 1997, y1 = 50,000; x2 = 2007, y2 = 309,587

50,000 = a b^1997

309,587 = a b^2007

 

Combining in terms of a:

50,000 / b^1997 = 309,587 / b^2007

b^2007 / b^1997 = 309,587 / 50,000

b^10 = 6.19174

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Substituting:

y = a 1.2^x

 

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a = 3.75 x 10^-154

 

The complete equation is:

y = 3.75 x 10^-154 * 1.2^x

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It has risen 15 degrees .....
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