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yaroslaw [1]
3 years ago
7

Given the function:

Mathematics
2 answers:
stich3 [128]3 years ago
6 0

Answer:

<u>O (3,1),(5,2).(7,3).(9.4)</u>

Step-by-step explanation:

.

muminat3 years ago
4 0

\\ \bull\tt\dashrightarrow f=\left\{(1,3),(2,5),(3,7),(4,9)\right\}

Now

  • Just flip

\\ \bull\tt\dashrightarrow f^{-1}=\left\{(3,1),(5,2),(7,3),(9,4)\right\}

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The graph of y &gt; 1 2 x - 2 is shown. Which set contains only points that satisfy the inequality? A) {(6, 1), (-1, -3), (4, 4)
Kaylis [27]

Answer:

Option B) {(1, -1), (-3, -3), (2, 4)}

Step-by-step explanation:

<u><em>The correct inequality is </em></u>

y>\frac{1}{2}x-2

The solution of the inequality is the shaded area above the dashed line y=\frac{1}{2}x-2

see the attached figure to better understand the problem

we know that

If a ordered pair satisfy the inequality, then the ordered pair must lie in the shaded area of the solution

<u><em>Verify each case</em></u>

case A) {(6, 1), (-1, -3), (4, 4)}

ordered pair (6,1)

For x=6, y=1

substitute in the inequality

1>\frac{1}{2}(6)-2

1>1 ---> is not true

therefore

The point not satisfy the inequality

case B)  {(1, -1), (-3, -3), (2, 4)}

ordered pair (1,-1)

For x=1, y=-1

substitute in the inequality

-1>\frac{1}{2}(1)-2

-1>-1.5 ---> is true

so

The point satisfy the inequality

ordered pair (-3,3)

For x=-3, y=3

substitute in the inequality

3>\frac{1}{2}(-3)-2

3>-3.5 ---> is true

so

The point satisfy the inequality

ordered pair (2,4)

For x=2, y=4

substitute in the inequality

4>\frac{1}{2}(2)-2

4>-1 ---> is true

so

The point satisfy the inequality

therefore

The set contains only points that satisfy the inequality

case C) {(1, -1), (-3, -3), (4, -2)}

ordered pair (4,-2)

For x=4, y=-2

substitute in the inequality

-2>\frac{1}{2}(4)-2

-2>0 ---> is not true

therefore

The point not satisfy the inequality

case D) {(-1, -3), (-3, -3), (2, 4)}

ordered pair (-1,-3)

For x=-1, y=-3

substitute in the inequality

-3>\frac{1}{2}(-1)-2

-3>-2.5 ---> is not true

therefore

The point not satisfy the inequality

4 0
3 years ago
Which of the following is equal to the length of the major axis of an ellipse?
antoniya [11.8K]

major\ axis=a+b\\\\Answer:\ \text{The sum of focal radii}

8 0
3 years ago
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5. Find the value of x.
goldfiish [28.3K]

Answer:

x = 70

Step-by-step explanation:

Interior angles of a 4 sided shape = 360

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210/3 = 70

8 0
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What will the last payment be to pay off a $1,250 computer plus 8% sales tax with monthly payments of $120?
Natasha_Volkova [10]
1250x.08= 100+1250= 1350 / 120 is 11.25 so 11 months of paying $120 leaves a $30 12th month payment.
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I'm pretty sure the answer is checking account A. Hope this helps
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