Mathematics, 09.12.2020 19:10, glowbaby123
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)? a partial parabola opening down and passing through negative 7 comma 0 and negative 3 comma zero with endpoints at negative 8 comma negative 5 and negative 2 comma negative 5 (x, βx2 β 10x β 21), where β7 β€ x β€ β3 (x, y), where β7 β€ x β€ β3 (x, βx2 β 10x β 21), where β8 β€ x β€ β2 (x, y) for all real numbers
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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 solut...