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Mathematics, 18.10.2019 17:30 highschoolboy

On a coordinate plane, a parabola opens up. it goes through (negative 1, 0), has a vertex at (1, negative 4), and goes through (3, 0).
which describes all of the values for which the graph is positive and decreasing?

all real values of x where x < −1
all real values of x where x < 1
all real values of x where 1 < x < 3
all real values of x where x > 3

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On a coordinate plane, a parabola opens up. it goes through (negative 1, 0), has a vertex at (1, neg...

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