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Bond [772]
3 years ago
11

Need help.

Mathematics
1 answer:
Zina [86]3 years ago
3 0
f(x)=5x+9\\
f'(x)=5
The derivative is constant. It's equal 5 for any argument.

f(x)=\dfrac{6}{x}\\
f'(x)=-\dfrac{6}{x^2}\\
f'(-2)=-\dfrac{6}{(-2)^2}=-\dfrac{6}{4}=-\dfrac{3}{2}
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Answer:

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The 90% confidence interval for the proportion of Republican voters that had voted for Mitt Romney is (0.7273, 0.8106). The best conclusion is that we are 90% that the true population proportion of Republicans that voted for Mitt Romney is between 0.7273 and 0.8106.

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Genrish500 [490]

we have M is durectly porpotional to r^2

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