Vargas Pope
05/06/2024 · Elementary School

El lado de una tapa de un contenedor de maíz de forma. cuadrada de metal incrementa a una razón de 0.8 cm por segundo cuando es expuesta al sol. ¿Cuál es la razón de cambio del área de la superficie cuadrada del metal cuando la longitud de un lado es 18 cm ? \( \begin{array}{ll}\text { a) } 28.8 \mathrm{~cm}^{2} / \mathrm{s} & \text { b) } 3.98 \mathrm{~cm}^{2} / \mathrm{s} \\ \text { c) } 26.6 \mathrm{~cm}^{2} / \mathrm{s} & \text { d) } 17.7 \mathrm{~cm}^{2} / \mathrm{s}\end{array} \)

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La razón de cambio del área es 28.8 cm²/s.

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