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viva [34]
2 years ago
5

Which graph represents a function?

Mathematics
1 answer:
krok68 [10]2 years ago
5 0

Answer:

The LAST graph, the horizontal line.

Step-by-step explanation:

The first three graphs do NOT pass the vertical line test. The last graph does. It clearly has only one y-value for each x-value. The function is the last one!

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Answer:

x = 11

Step-by-step explanation:

3x - 7 = x + 15 ( subtract x from both sides )

2x - 7 = 15 ( add 7 to both sides )

2x = 22 ( divide both sides by 2 )

x = 11

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Answer:

The answer to this is false.

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allochka39001 [22]

Answer:

13,800

Step-by-step explanation:

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Here's why:

Arbitrarily, let's say that the three students chosen for the award are Abby, Bob, and Charlie. The order of which each award is given to the three of them matters, because otherwise they would be receiving different awards. For example, if Abby gets the research award, Bob gets the teaching award, and Charlie gets the service award, this would be notably different than if Abby got the teaching award, Bob got the service award, and Charlie got the research award.

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Since we're choosing three people to give awards to, there are:

25\cdot 24\cdot 23=\boxed{13,800} permutations. Because order matters (refer to explanation above), this is our final answer.

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