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lorasvet [3.4K]
2 years ago
14

given the following functions f(x) and g(x), solve (f g)(3) and select the correct answer below: f(x) = 6x 3 g(x) = x − 7 4 17 2

5 31
Mathematics
1 answer:
NeTakaya2 years ago
3 0
Hello,
+++++++++++++++++++++++++++++++++++++++++
Thanks for the incorrect formula!
+++++++++++++++++++++++++++++++++++++++++
I have tested (fog)(x) ,(f*g)(x) and finally (f+g)(x)

f(x)=6x++++++++++++++++++++++++3
g(x)=x-7
(f+g)(x)=6x+3+x-7=7x-4
(f+g)(3)=7*3-4=17

Answer B
++++++++++++++++++++++++++++++++++++

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Answer:

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And the width for the confidence interval is given by:

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Step-by-step explanation:

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Where ME represent the margin of error for the estimation and this margin of error is given by:

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And the width for the confidence interval is given by:

Width =2ME=2t_{\alpha/2} \frac{s}{\sqrt{n}}

And we want to see the effect if we increase the confidence level for a interval. On this case if we increase the confidence level then the critical value for the confidence interval t_{\alpha/2} would be higher and then the width of the interval would increase. So then the best answer for this case would be:

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