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Nesterboy [21]
2 years ago
11

2. Which of the following represents a function? 5 points A. {(9, 15), (0, 0), (4, 0), (9, 2)} B. {(2, 5), (-2, 0), (1, -8), (2,

2)} C. {(3, 7), (4, 7), (5, 7), (6, 7)} D. {(3, 3), (-1, 4), (3, -2), (5, 4)
Mathematics
1 answer:
SVETLANKA909090 [29]2 years ago
6 0

Answer:

C

Step-by-step explanation:

Each input value can have only one output value for it to be a function. In other words, there should only be one y value for each x value. The only option that satisfies this is C.

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Use substitution to solve the system.<br><br> X= ?<br> Y= ?<br><br> 5x+4y = -10<br> x = 3y+17
nikklg [1K]

Answer:

x=3.4

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Step-by-step explanation:

5x+4y=-10  (equation 1 )

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y=-6.75

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3 years ago
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olga2289 [7]
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7 0
2 years ago
Please solve, -7x+8=-4(x+1)​
omeli [17]

Answer: x=4

<u>Simplify both sides of the equation.</u>

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<u></u>

<u>Add 4x to both sides</u>

<u></u>-7x+8+4x=-4x-4+4x\\-3x+8=-4<u></u>

<u></u>

<u>Subtract 8 from both sides</u>

<u></u>-3x+8-8=-4-8\\-3x=-12

<u>Divide both sides by -3</u>

<u></u>-3x/-3=-12/-3\\x=4<u></u>

5 0
2 years ago
Read 2 more answers
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