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A portion of the graph of f(x) = −x2 − 10x − 21 is...
Mathematics, 22.04.2020 23:22 tina7659
PLs help ilmark brainliest i promise
A portion of the graph of f(x) = −x2 − 10x − 21 is shown. Which of the following describes all solutions for f(x)?
(x, x2 − 10x − 21), where −7 ≤ x ≤ −3
(x, y), where −7 ≤ x ≤ −3
(x, x2 − 10x − 21), where −8 ≤ x ≤ −2
(x, y) for all real numbers
Answers: 1
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