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S_A_V [24]
3 years ago
7

Find f(-2) for f(x) = 3 *2^x

Mathematics
2 answers:
Xelga [282]3 years ago
5 0

Answer:

3/4

Step-by-step explanation:

f(x) = 3 *2^x

Let x= -2

f(-2) = 3 *2^(-2)

     = 3 * 1/2^2

    = 3 /4

Nutka1998 [239]3 years ago
4 0

Answer:

It is 3/4

Step-by-step explanation:

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An estimated regression equation that was fit to estimate ductility in steel using its carbon content was found to be significan
AnnZ [28]

Answer:

At a level of 95%, it is expected that the interval [0.45; 11.59] contains the value of the ductility in steel when its carbon content is 0.5%.

Step-by-step explanation:

Hello!

Considering the dependent variable:

Y: Ductility in steel.

And the independent variable:

X: Carbon content of the steel.

The linear regression was estimated and a prediction interval was calculated.

The prediction interval is calculated to predict a value that the variable Y (response variable) can take for a given value of the variable X (predictor variable) in the definition range of the linear regression line. Symbolically [Y/X=x_{0}]

In this case 95% prediction interval for Y/X=0.5

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6 0
3 years ago
What is the decimal multiplier to decrease by 3.4%?
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Answer:

3.4%

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1-0.034

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0.966 is the multiplier

Step-by-step explanation:

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