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Use a table of values to estimate the value of the limit. If you have a graphing device, use it to confirm your result graphically. (Round your answer to two decimal places.)lim x→0 x + 36 − 6x

Question

Use a table of values to estimate the value of the limit. If you have a graphing device, use it to confirm your result graphically. (Round your answer to two decimal places.)lim x→0 x + 36 − 6x

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Solution

Para estimar el valor del límite usando una tabla de valores, primero evaluaremos la función f(x)=x+366xx f(x) = \frac{x + 36 - 6x}{x} en valores de x x cercanos a 0. Luego, confirmaremos el resultado gráficamente.

  1. Simplificar la función: f(x)=x+366xx=365xx f(x) = \frac{x + 36 - 6x}{x} = \frac{36 - 5x}{x}

  2. Crear una tabla de valores para x x cercanos a 0:

x x f(x) f(x)
-0.1 365(0.1)0.1\frac{36 - 5(-0.1)}{-0.1} = 36+0.50.1\frac{36 + 0.5}{-0.1} = -365
-0.01 365(0.01)0.01\frac{36 - 5(-0.01)}{-0.01} = 36+0.050.01\frac{36 + 0.05}{-0.01} = -3605
-0.001 365(0.001)0.001\frac{36 - 5(-0.001)}{-0.001} = 36+0.0050.001\frac{36 + 0.005}{-0.001} = -36005
0.001 365(0.001)0.001\frac{36 - 5(0.001)}{0.001} = 360.0050.001\frac{36 - 0.005}{0.001} = 35995
0.01 365(0.01)0.01\frac{36 - 5(0.01)}{0.01} = 360.050.01\frac{36 - 0.05}{0.01} = 3595
0.1 365(0.1)0.1\frac{36 - 5(0.1)}{0.1} = 360.50.1\frac{36 - 0.5}{0.1} = 355
  1. Observar los valores de f(x) f(x) a medida que x x se aproxima a 0 desde ambos lados. Los valores de f(x) f(x) parecen divergir hacia infinito positivo y negativo, lo que sugiere que el límite no existe en el sentido tradicional.

  2. Confirmar gráficamente:

    • Usar una calculadora gráfica o software de gráficos para trazar la función f(x)=365xx f(x) = \frac{36 - 5x}{x} .
    • Observar el comportamiento de la función cerca de x=0 x = 0 .

Conclusión: La función muestra una discontinuidad en x=0 x = 0 y los valores divergen hacia infinito positivo y negativo. Por lo tanto, el límite no existe en el sentido tradicional.

This problem has been solved

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