Which polynomial function could be represented by the graph below?

Mathematics

1 answer:

Amiraneli [1.4K]2 years ago

5 0

Answer:

Option B: f(x) = 2x2 + 2x – 4

Step-by-step explanation:

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$\bf \textit{difference of squares}
\\ \quad \\
(a-b)(a+b) = a^2-b^2\qquad \qquad 
a^2-b^2 = (a-b)(a+b)\\\\
-------------------------------\\\\$

$\bf f(x)=\cfrac{x^2-1}{x-1}\implies f(x)=\cfrac{x^2-1^2}{x-1}\implies f(x)=\cfrac{(\underline{x-1})(x+1)}{\underline{x-1}}
\\\\\\
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-------------------------------\\\\
\textit{they're, kinda, except that, when x = 1}
\\\\\\
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\\\\\\
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