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03-07-2020
Mathematics

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At which root does the graph of f(x) = (x – 5)3(x + 2)2 touch the x-axis?

Respuesta :

03-07-2020

Answer:

x = -2

Step-by-step explanation:

The root will touch the axis and bounce off when the exponent is even. In that case, that means (x + 2)² is the binomial that will bounce. Therefore, the root which bounces and touches the x-axis is x = -2.

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