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Solução_Calculo_Stewart_6e

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F.<br />

TX.10<br />

SECTION 1.4 GRAPHING CALCULATORS AND COMPUTERS ¤ 25<br />

23. g(x) =x 3 /10 is larger than f(x) =10x 2 whenever x>100.<br />

25. We see from the graphs of y = |sin x − x| and y =0.1 that there are<br />

two solutions to the equation |sin x − x| =0.1: x ≈−0.85 and<br />

x ≈ 0.85. The condition |sin x − x| < 0.1 holds for any x lying<br />

between these two values, that is, −0.85

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