Sejam , , , ,, números reais com ≠ 0. Considere a função racional f left parenthesis x right parenthesis equals fraction numerator a x squared plus b x plus c over denominator A x squared plus B x plus C end fraction. Calcule o limite de () para tendendo a +∞ e assinale a altertiva corresponde a seguir: a. limit as x rightwards arrow plus infinity of f left parenthesis x right parenthesis equals c over C b. limit as x rightwards arrow plus infinity of f left parenthesis x right parenthesis equals 0 c. limit as x rightwards arrow plus infinity of f left parenthesis x right parenthesis equals a over A infinity d. limit as x rightwards arrow plus infinity of f left parenthesis x right parenthesis equals a over A e. limit as x rightwards arrow plus infinity of f left parenthesis x right parenthesis equals b over B