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clica aqui: http://www.google.co.in/webhp?hl=pt-BR&tab=ww#sclient=psy-ab&hl=pt-BR&site=webhp&source=hp&q=(sqrt(cos(x))*cos(200+x)%2Bsqrt(abs(x))-0.7)*(4-x*x)%5E0.01%2C+sqrt(9-x%5E2)%2C+-sqrt(9-x%5E2)+