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The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?
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Mathematics, 21.06.2019 23:00
What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)
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