Suppose f(x) = 2ar³ + b°x – 4c where a, b and e are real constants. Suppose that ƒ has a horizontal tangent line at z = 2, and that the tangent line to f at r = 0 is given by y = 8r + 4. Use the given information to find all possible values for a, b, and c. Explain your reasoning.

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