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Over what interval is the graph f(x)=-(x+8)2 decreasing?
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Over what interval is the graph f(x)=-(x+8)2 decreasing?

User Roeygol
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This downward-opening parabola has its vertex at x = -8, so the function is decreasing on the interval (-8, ∞).
Over what interval is the graph f(x)=-(x+8)2 decreasing?-example-1
User Rakin
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