10) James earned $3,000 interest

Mathematics

1 answer:

Arisa [49]2 years ago

6 0

Answer:

Step-by-step explanation:

assuming that he has an annual interest of 5% then his initial deposit would be rounded to $2,238.65

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For the following system, use the second equation to make a substitution for y in the first equation.

Anuta_ua [19.1K]

Answer:

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Step-by-step explanation:

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The definition of quadratic function is given by:

 $(1) \ f(x)=ax^{2}+bx+c \\ \\ where \ a, b, c \ are \ real \ values$ 

So the problem asks for two conditions:

1. Write the quadratic function in factored form. 
2. The vertex has an x-coordinate of 3.

Then the equation (1) must be written as follows:

 $f(x)=(x-m)(x-n) \\ \\ where \ m \ and \ n \ are \ the \ roots$ 

To satisfy the two conditions:

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So we are free to choose the value of one root, say:

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Thus:

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Finally, the answer is:

$f(x)=(x-1)(x-5)$

The graph of this function is shown in the figure below.