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Aleksandr [31]
3 years ago
8

Part A: Explain why the x-coordinates of the points where the graphs of the equations y = 4−x and y = 2x + 3 intersect are the s

olutions of the equation 4−x = 2x + 3. (4 points) Part B: Make tables to find the solution to 4−x = 2x + 3. Take the integer values of x between −3 and 3. (4 points) Part C: How can you solve the equation 4−x = 2x + 3 graphically? (2 points)

Mathematics
1 answer:
serious [3.7K]3 years ago
3 0

Try this explanation:

A: The property of intersection point is: on the graphs it belongs to the first line and to the second line, in another word, it belongs to the <u>both</u> lines. 'To the both lines; means, for the both equations, this value of 'x' converts the left side and the right side to the same value (one value 'x' ⇒ one value on the left part and the same value on the right part of the equation 4-x=2x+3).

B: see the attachment, based on 4 steps.

C: see the attached graph. The intersection point is marked with green colour.

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Step-by-step explanation:

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3 years ago
F(x)=2x^2 -5 , simplify f(x+h)/h , where h≠0
7nadin3 [17]

Answer:

\huge\boxed{\dfrac{f(x+h)}{h}=\dfrac{2x^2+4xh+2h^2-5}{h}}

\huge\boxed{\dfrac{f(x+h)}{h}=\dfrac{2x^2-5}{h}+4x+2h}

Step-by-step explanation:

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4 0
2 years ago
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Arisa [49]

Answer:

The answer to your question is 25%

Step-by-step explanation:

Data

Initial price = $2.00

Final price = $2.50

First we subtract the final price to the inicial price

              increment = 2.50 - 2.00

                                = $0.50    It's the amount that the school increases to the community members

            Now we use a rule of three to find the percent

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x = 0.50 x 100/2 = 50/2 = 25%          

4 0
3 years ago
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ludmilkaskok [199]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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