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Vera_Pavlovna [14]
2 years ago
15

Lynn has an investment account which compounds interest annually at a rate of 2.9%. After 7 years, she has $9800 in the account.

How much money did she initially place in the account? Round your answer to the nearest whole number. Do not include a $ in your answer.
Mathematics
1 answer:
Law Incorporation [45]2 years ago
4 0

Answer:8023

Step-by-step explanation:

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FromTheMoon [43]

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1/5^5

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Flip the equation into a fraction.

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Identify the coordinates of the vertex of f(x) = 3x2 + 12x − 8, and identify whether it is an absolute minimum or absolute maxim
DaniilM [7]

The vertex of f(x) = 3x^2 + 12x − 8 is (2,28) absolute minimum

<h3>How to determine the vertex?</h3>

The equation is given as:

f(x) = 3x^2 + 12x − 8

Differentiate the function

f'(x) = 6x + 12

Set to 0

6x + 12 = 0


Divide through by 6

x + 2 = 0

Solve for x

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Substitute x = -2 in f(x) = 3x^2 + 12x − 8

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This means that the vertex is (2,28)

A quadratic function is represented as:

f(x) =ax^2 + bx + c

When a is positive, then the vertex of the function is an absolute minimum.

This means that f(x) = 3x^2 + 12x − 8 has an absolute minimum vertex because 3 is positive


Read more about quadratic functions at:

brainly.com/question/18797214

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