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Brums [2.3K]
3 years ago
10

Use the functions to answer the question.

Mathematics
1 answer:
Ksivusya [100]3 years ago
4 0
Composition function rule (f○g)(x) = f(g(x))
<em><u /></em><u>Given the separate functions</u>: f(x)=2x+1 and g(x)=x^2

(f\circ g)(-5)\rightarrow\text{ Composition Function Rule}\rightarrow f(g(-5))=2((5)^2)+1
\rightarrow2(25)+1=50+1=51
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
"Data from the World Health Organization in 2013 were used to predict the life expectancy of men in a country from the life expe
marshall27 [118]

Answer:

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Step-by-step explanation:

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The general form of a least square regression line is:

\hat y=\alpha +\beta x

Here,

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\hat y=3.73 +0.88 x

Compute the life expectancy of men in a country in which the life expectancy of women is 70 years as follows:

\hat y=3.73 +0.88 x

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Thus, the predicted life expectancy of men in a country in which the life expectancy of women is 70 years is 65.33 years.

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Read 2 more answers
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