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makkiz [27]
3 years ago
5

Jolene lost her wallet at the mall. It had $10 in it when she got home her brother felt bad and gave her $5.75. represent this s

ituation with expression involving rational numbers. What is the overall change in the amount of money jolene has?
Mathematics
1 answer:
romanna [79]3 years ago
7 0
The ratio is
10 : 5.75
After simplifying the ratio you are left with

1.74 : 1
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Find the vertex of the graph of the function. f(x) = 2x^2 - 8x + 9
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\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{-8}x\stackrel{\stackrel{c}{\downarrow }}{+9} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{-8}{2(2)}~~,~~9-\cfrac{(-8)^2}{4(2)} \right)\implies \left( \cfrac{8}{4}~~,~~9-\cfrac{64}{8} \right) \\\\\\ (2~~,~~9-8)\implies (2~~,~~1)

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Which statements could he include in his explanation? select two options. the domain of both functions is all real numbers. the
mina [271]

The correct option is 'The domain of both functions is all real numbers'.

According to statement

Here, functions are f(x) = 5x and g(x) =5x

Since the domain of f(x) is, D= { x : x belongs to all real numbers.}

Therefore, Domain of f(x) is all real numbers.

Since f(x) and g(x) have the same value,

Therefore, Domain of g(x) is also the set of real numbers.

Now, range of f(x) is , R=  { 5x : x belongs to all real numbers.}

Therefore, Range of f(x) is all real numbers.

Range of g(x) is also all real numbers.

So, we can say by the above explanation, only option (1) is correct.

DISCLAIMER: The question was incomplete. Please find the full content below.

QUESTION

Keshawn is asked to compare and contrast the domain and range for the two functions.

f(x) = 5x

g(x) = 5x

Which statements could he include in his explanation? Check all that apply.

1. The domain of both functions is all real numbers.

2. The domain of f(x) is x > 5.

3. The domain of g(x) is x > 5.

4. The range of both functions is y > 5.

5. The range of f(x) is y > 0.

6. The range of g(x) is y > 0.

Learn more about DOMAIN OF FUNCTION here brainly.com/question/1770447

#SPJ4

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Solve for 2x+2(x−5)=6
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Answer:

x=4

Step-by-step explanation:

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