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equation da reta tangente ao plot of f(x) = 2x^3 + 4x^2 - 5x - 3 em x = -1. (Resp: y = -7x - 3)
equation da reta tangente ao plot of f(x) = 2x^3 + 4x^2 - 5x - 3 em x = -1. (Resp: y = -7x - 3)
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