Mathematics, 23.04.2020 01:10 alissa3329
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A portion of the graph of f(x) = βx2 β 10x β 21 is shown. Which of the following describes all solutions for f(x)?
(x, x2 β 10x β 21), where β7 β€ x β€ β3
(x, y), where β7 β€ x β€ β3
(x, x2 β 10x β 21), where β8 β€ x β€ β2
(x, y) for all real numbers
Answers: 2
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Plslls help im about to cry of struggling with this questions plllsss ill mark brainliest
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