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Plot[{e^x, 1 + x + (1/2) x^2 + (1/6) x^3 + (1/24) x^4, 1 + x + (1/2) x^2 + (1/6) x^3, 1 + x + (1/2) x^2, 1+x, 1}, {x, 0, 2}]