Identify the domain of the function shown in the graph.

Mathematics

1 answer:

OverLord2011 [107]3 years ago

5 0

The domain of the function would be -5
Th answer is would be D

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Given that α and β are the roots of the quadratic equation <img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D%20%2B6x-7%3Dp" id="Tex

siniylev [52]

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$\large \boxed{\sf \ \ \ p=-11 \ \ \ }$

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Hello,

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It means that

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And we know that

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$2(2\beta)^2+6\cdot 2 \cdot \beta -7=p \\\\8\beta^2+12\beta -7=p\\\\ and \ 2\beta ^2+6\beta -7=p \ So \\\\\\8\beta^2+12\beta -7 = 2\beta ^2+6\beta -7\\\\6\beta^2+6\beta =0\\\\\beta(\beta+1)=0\\\\ \beta =0 \ or \ \beta=-1$