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zpupster
 one year ago
Best ResponseYou've already chosen the best response.0y(x) = ax2 + bx + c, this is a parabola if a > 0, the parabola opens upward if a < 0, the parabola opens downward. to find the range for your equation, you need to find the minimum value (vertex) of the parabola. The equation is: x = b/(2a) when you have x plug it back into the equation and solve for y that is your range.
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