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andre [41]
3 years ago
12

The table represents a function what is f(-2)

Mathematics
2 answers:
wolverine [178]3 years ago
8 0
\bf \begin{array}{ccll}
x&f(x)\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
-6&3\\
-2&\boxed{1}\\
0&4\\
3&-2
\end{array}\qquad \qquad f(\stackrel{x}{-2})\implies x=-2
MatroZZZ [7]3 years ago
3 0

we know that

f(-2) represent the value of the function f(x) for x=-2

so

see the table

For x=-2

the value of f(x) is 1

f(-2)=1

therefore

<u>the answer is</u>

f(-2)=1

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3 years ago
When obtaining a confidence interval for a population mean in the case of a finite population of size N and a sample size n whic
Elanso [62]

Answer:

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142.8 \leq\mu\leq158.4

Step-by-step explanation:

We have to calculate a 95% confidence interval for the mean of a finite population.

The error is multiplied by the following finite population correction factor:

cf=\sqrt{\frac{N-n}{N-1} }

The standard deviation can be estimated as

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The 95% confidence interval has a z value of 1.96, so it becomes:

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