Question: Consider the function f(x) = -2x4 - 2x3 + 6x + 7x-2. Using Descartes' Rule of Signs, what is the maximum possible number of

Consider the function f(x) = -2x4 - 2x3 + 6x + 7x-2.

Consider the function f(x) = -2x4 - 2x3 + 6x + 7x-2. Using Descartes' Rule of Signs, what is the maximum possible number of positive roots?

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