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diamong [38]
3 years ago
5

Which of the following equations matches the function shown above?

Mathematics
1 answer:
musickatia [10]3 years ago
7 0

Answer:

D, y = cos(x -π/2)

Step-by-step explanation:

When the cosine function is shifted right by π/2 units, it looks like the sine function. That is what we have here. To shift f(x) to the right, replace x by x-(amount of shift). Here, this means the graph is described by ...

y = 2cos(x -π/2)

_____

The vertical scale factor is 2 on the graph and in all answer choices.

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Answer:

  1. This is a biased sampling method for obtaining customer opinions because those who take the time to write an online review are likely to do so because they are upset with the service they received.
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Step-by-step explanation:

1)   There are groups which are not represented in the survey like those who don't use web. And also those who take the time to write an online review are likely to do so because they are upset with the service they received.

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3 years ago
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Fofino [41]

<em><u>Answer:</u></em>

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3 years ago
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8 0
2 years ago
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Usimov [2.4K]

Answer:

I think it's A

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8 0
3 years ago
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So we know that:
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