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Gennadij [26K]
3 years ago
15

The reciprocal parent function is reflected across the x- axis, then translated 5 units right and 7 units down . Write an equati

on that could represent this new function , then identify the asymptotes
Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0

Answer:

Equation: f'"(x) = -\frac{1}{x-5}-7

Asymptotes: (x,y) = (5,-7)

Step-by-step explanation:

Given

Let the reciprocal function be:

f(x) = \frac{1}{x}

First, it was reflected across the x-axis.

The rule is: (x,-y)

So, we have:

f'(x) = -\frac{1}{x}

Next, translated 5 units right.

The rule is: (x,y)=>(x-5,y)

So:

f"(x)= -\frac{1}{x-5}

Lastly, translated 7 units down.

The rule is: (x,y) => (x,y-7)

So:

f'"(x) = -\frac{1}{x-5}-7

To get the vertical asymptote, we simply equate the denominator to 0.

i.e.

x - 5 = 0

x = 5

To get the horizontal asymptote, we simply equate y to the constant.

i.e.

y = -7

(x,y) = (5,-7)

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Line 1: 2x-3y>12
nata0808 [166]

Answer:

  • The graph of this line i.e. 2x-3y>12 should be BELOW the DOTTED line as y involves < symbol.
  • The graph of this line i.e. y>-2x+5  should be ABOVE the DOTTED line as it involves > symbol.
  • The correct graph for line 1  and line 2 is shown in attached figure.

Step-by-step explanation:

  • If the inequality involves < or >, then the graph of the equation involves a dotted line.  
  • If the inequality involves ≤ or ≥, then the graph of the equation involves a solid line.

<em>Considering the line 1</em>

2x-3y>12

Solving line 1

2x-3y>12

-3y>12-2x

3y

y

As y involves < symbol, so the graph of this line should be BELOW the DOTTED line.

But, as you can see that there is an error in the graph. As the graph of  y is being shown ABOVE the SOLID line.

Therefore, the graph of this line i.e. y should be BELOW the DOTTED line as it involves < symbol.

<em>Considering the line 2</em>

y>-2x+5

As y>-2x+5 involves > symbol, so the graph of this line should be ABOVE the DOTTED line.

But, as you can see that there is an error in the graph. As the graph of  y>-2x+5 is being shown ABOVE the SOLID line.

Therefore, the graph of this line i.e. y>-2x+5 should be ABOVE the DOTTED line as it involves > symbol.

The <em>correct graph</em> for line 1 i.e. 2x-3y>12 and line 2 i.e. y>-2x+5 is shown in <em>attached figure</em>.

From the attached graph, it is shown that only (5, -2) satisfies the both inequalities. So, (5, -2) is the correct solution for the given inequalities.

<em>Solution Verification:</em>

<u><em>Putting (5, -2) in line 1 and line 2</em></u>

For line 1:

2x - 3y > 12 ⇒ 2(5) - 3(-2) > 12 ⇒ 10 + 6 > 12 ⇒ 16 > 12 which is true.

For line 2:

y > -2x + 5 ⇒ -2 > -2(5) + 5 ⇒ -2 > -10 + 5 ⇒ -2 > -5 which is true.

So, (5, -2) is IN the solution for line 1 and line 2

<em><u>Putting (-1, -1) in line 1 and line 2</u></em>

For line 1:

2x - 3y > 12 ⇒ 2(-1) - 3(-1) > 12 ⇒ -2 + 3 > 12 ⇒ 1 > 12 which is false.

For line 2:

y > -2x + 5 ⇒ -1 > -2(-1) + 5 ⇒ -1 > 2 + 5 ⇒ -1 > 7 which is false.

So, (-1, -1) is NOT in the solution for line 1 and line 2

<em><u>Putting (0, 5) in line 1 and line 2</u></em>

For line 1:

2x - 3y > 12 ⇒ 2(0) - 3(5) > 12 ⇒ 0 - 15 > 12 ⇒ -15 > 12 which is false.

For line 2:

y > -2x + 5 ⇒ 5 > -2(0) + 5 ⇒ 5 > 0 + 5 ⇒ 5 > 5 which is false.

So, (0, 5) is NOT in the solution for line 1 and line 2

<em />

<em>Keywords: inequality, solution, graph, dotted line, solid line</em>

<em>Learn more about inequality solution from brainly.com/question/12036085</em>

<em>#learnwithBrainly</em>

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Stells [14]

Answer:

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erik [133]
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so the time between 9 am and 3 pm is 4 hours, that is 4*60=240 minutes.

This means it's 240/16=120/8=60/40=15, 15 minutes per room.

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Answer:

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Step-by-step explanation:

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