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OLEGan [10]
2 years ago
7

PLZ HELP ASAP!! 16 points!! What are the domain and range of the function graphed below?

Mathematics
1 answer:
Pavlova-9 [17]2 years ago
8 0

Answer:

B. Domain: {-∞ < x < ∞}; Range: {y ≤ 2}

Step-by-step explanation:

In simple terms, the domain of a graphed function refers to all the possible x-values while the range refers to all the possible y-values. Therefore, based on the graph the answer would be.

B. Domain: {-∞ < x < ∞}; Range: {y ≤ 2}

This is because x is in a slope and extends infinitely both to the left and to the right, therefore having all possible values. The y-axis starts at and includes the value 2 and all values less than 2. A black filled in dot in a graph indicates that the value is included.

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Answer:

Explained below.

Step-by-step explanation:

The information provided is as follows:

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(1)

A single mean test is to be performed in this case.

As the population standard deviation is not provided, a one-sample <em>t</em>-test will be used.

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(2)

The null hypothesis is:

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(3)

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<em>Hₐ</em>: The average temperature in the population is less than 98.6°F, i.e. <em>μ </em>< 98.6°F.

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(4)

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(5)

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t=\frac{\bar x-\mu}{SD_{\bar x}}

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(6)

The degrees of freedom of the test are:

df = n - 1

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3 years ago
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