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Mathematics

1 answer:

Zina [86]3 years ago

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Answer:

21. B. Graph Z

23. A. neither function nor relation

24. D. relation only

Step-by-step explanation:

21. Graph Z is the only graph which does not pass the vertical line test

23. The graph does not pass the vertical line test, AND it is not merely given x and y points like a relation. It is graphed as a squiggly line with no given x and y points, therefore you could not make a relation from it either.

24. There is an x value of -4 twice, meaning the set does not pass the vertical line test, HOWEVER, it is a given collection of x and y values, making it a relation.

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Explain how you know that 5/8 + 6/10 is greater then 1

WARRIOR [948]

Step-by-step explanation:

So you would need to find a common denominator to add the fractions together first, and the closest would be 40

5/8 turns into 25/40 because we times the bottom and the top by 5 to get the LCD (least common denominator)

6/10 turns into 24/40 when times by 4 for the LCD of 40

Then add them together: 25/40 + 24/40 = 49/40

And since 1 could also be written as 40/40 since that is the whole number, this means the following expression is true.

49/40 > 40/40 (or 1)

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