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katrin2010 [14]
3 years ago
9

Please answer both for 15 points

Mathematics
1 answer:
Debora [2.8K]3 years ago
8 0

Answer:

Hey look i am sorry for not doing them both i only know the second it is b 3000

Step-by-step explanation:

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Does this graph represent a function?
Mashcka [7]

Answer: No


Step-by-step explanation: It does not pass the vertical line test


6 0
3 years ago
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Can you help me it’s algebra 2 and I need the answers for like 5 more questions, it’s urgent like really urgent!!!!
nikitadnepr [17]

Answer:  B) as x → -5  from the left, y → -∞

                    as x → -5 from the right, y → +∞

<u>Step-by-step explanation:</u>

g(x) =\dfrac{x^2+15x+56}{x+5}\quad =\dfrac{(x+7)(x+8)}{x+5}\\\\\\\text{Evaluate from the left. Let x = -6}\rightarrow \dfrac{(-)(-)}{(-)}=-\\\\\\\text{Evaluate from the right. Let x = -4}\rightarrow \dfrac{(-)(-)}{(+)}=+

Refer to the graph which confirms that

  • from the left, y tends toward -∞
  • from the right, y tends toward + ∞

3 0
3 years ago
If the function h is defined by h(x)=<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" a
harkovskaia [24]

Given:

The function is:

h(x)=x^2-3x+5

To find:

The value of h(2x+1).

Solution:

We have,

h(x)=x^2-3x+5

Putting x=2x+1, we get

h(2x+1)=(2x+1)^2-3(2x+1)+5

h(2x+1)=(2x)^2+2(2x)(1)+(1)^2-3(2x)-3(1)+5

h(2x+1)=4x^2+4x+1-6x-3+5

On combining like terms, we get

h(2x+1)=4x^2+(4x-6x)+(1-3+5)

h(2x+1)=4x^2-2x+3

Therefore, the required function is h(2x+1)=4x^2-2x+3.

3 0
3 years ago
2/5 of the students in your class are in band. Of these, 1/4 play the saxophone. What fraction of your class plays the saxophone
Nimfa-mama [501]
So the problem asks us to find the fraction of your class that plays the saxophone. To find this, all you need to do is divide 2/5 by 1/4. We need to do this because we are basically taking 1/4 of 2/5. When we do this operation, we get 8/5, which is 1 3/5 in mixed fraction form. Hence, the solution to your question is 8/5 or 1 3/5 of the fraction of students in the band play the saxophone. Hope this helps!
3 0
3 years ago
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What is the point of intersection of the lines represented by these equations
Marizza181 [45]
<h2>Points of Intersection</h2>

To find the point of intersection of two lines, we can use substitution to find the <em>x</em> and <em>y</em> coordinates.

<h2>Solving the Question</h2>

We're given:

  • y = -2x + 2
  • y = x - 4

Use substitution to find <em>x</em>:

-2x + 2=x-4\\-2x=x-6\\-3x=-6\\x=2

Use substitution to find <em>y</em>:

y=x-4\\y=2-4\\y=-2

<h2>Answer</h2>

The point of intersection is (2,-2).

3 0
2 years ago
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