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MATH / Let f(x)=√(ax²+bx). For how many real values of a is there at least one positive value of b for which the domain of f and the range of f are the same set? · Discussion

Discussing Let f(x)=√(ax²+bx). For how many real values of a is there at least one positive value of b for which the domain of f and the range of f are the same set? · MATH

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