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AURORKA [14]
2 years ago
12

Year2000200220042006Number109141182233Year2008201020122014Number270296326355​YearNumber​2000109​2002141​2004182​2006233​​YearNum

ber​2008270​2010296​2012326​2014355​​​(a) Use the regression capabilities of a graphing utility to find a mathematical model of the formy=at2+bt+cy=at2+bt+c for the data. In the model, y represents the number of subscribers (in millions) and t represents the year, with t=0 corresponding to 2000. (b) Use a graphing utility to plot the data and graph the model. Compare the data with the model. (c) Use the model to predict the number of cell phone subscribers in the United States in the year 2024.
Mathematics
2 answers:
FinnZ [79.3K]2 years ago
7 0

Answer:

Bro.. is this even a question...???

nordsb [41]2 years ago
6 0

Answer:

images

Step-by-step explanation:

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BlackZzzverrR [31]

Answer:

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5 0
3 years ago
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3 years ago
Find an equation of the tangent to the curve at the given point by both eliminating the parameter and without eliminating the pa
Misha Larkins [42]

Answer:

y = 2x − 1

Step-by-step explanation:

By eliminating the parameter, first solve for t:

x = 4 + ln(t)

x − 4 = ln(t)

e^(x − 4) = t

Substitute:

y = t² + 6

y = (e^(x − 4))² + 6

y = e^(2x − 8) + 6

Taking derivative using chain rule:

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Evaluating at x = 4:

dy/dx = 2 e^(8 − 8)

dy/dx = 2

Writing equation of line using point-slope form:

y − 7 = 2 (x − 4)

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x = 4 + ln(t)

dx/dt = 1/t

y = t² + 6

dy/dt = 2t

Finding dy/dx:

dy/dx = (dy/dt) / (dx/dt)

dy/dx = (2t) / (1/t)

dy/dx = 2t²

At the point (4, 7), t = 1.  Evaluating the derivative:

dy/dx = 2(1)²

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Writing equation of line using point-slope form:

y − 7 = 2 (x − 4)

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6 0
3 years ago
Anthony's Famous Butter Rolls Recipe
defon

Answer:

To make 24 rolls:

5 1/2 cups all-purpose flour

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• 2 teaspoons salt

• 1 1/2 teaspoons active dry yeast

• 1 1/2 cups milk

• 1/2 cup water

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The recipe yields 2 dozen, or 24, rolls.

If Anthony needs to make more rolls, you would multiply each ingredient. If he needs fewer rolls, you would need to divide.

6 0
3 years ago
What is 100 rounded to the nearest 1000?
Artyom0805 [142]
It's 100. Very  simple
4 0
3 years ago
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