2 years ago

(gof)(x) = x2 + x + 1

Mathematics

1 answer:

Sever21 [200]2 years ago

8 0

Answer:

$the \: answer \: is \: b$

Step-by-step explanation:

$(gof)x = {(x + 1)}^{2 } = {x}^{2} + 2x + 1$

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Read 2 more answers

An office building loses a third of its heat between sundown and midnight and an additional half of the original amount of heat

Mekhanik [1.2K]

Answer:

$\dfrac{1}{16}$

Step-by-step explanation:

Proportion of Heat Loss Between sundown and midnight $=\dfrac{1}{3}$

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Proportion of Total Heat Already Lost $=\dfrac{1}{3}+\dfrac{1}{2} =\dfrac{5}{6}$

Proportion of Remaining Heat $=1-\dfrac{5}{6}=\dfrac{1}{6}$

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Proportion of Heat Loss between 4 AM and 5 AM= $\dfrac{5}{8}$ X \dfrac{1}{6} = \dfrac{5}{48}$

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$\dfrac{1}{16}$ of the total heat loss occurs between 5 AM and sunrise.$

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