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A graph of the quadratic function f(x) = 2x2- 4x - 16, showing positive and negative regions relative to the x-axis.

A graph of the quadratic function f(x) = 2x2- 4x - 16, showing positive and negative regions relative to the x-axis.
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A graph of the quadratic function f(x) = 2x² - 4x - 16, showing the parabola opening upwards, with x-intercepts at x = -2 and x = 4. The graph should clearly indicate the positive regions (x < -2 and x > 4) and the negative region (-2 < x < 4). The axes should be labeled, and the curve should be smooth and clearly visible." See more

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