vanessalucio82430 vanessalucio82430
  • 18-03-2019
  • Mathematics
contestada

If f(x)=x+7 and g(x)= 1/x-13 , what is the domain of (fxg)(x)

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 18-03-2019

Answer:

The domain is [tex]x\ne13[/tex]

Step-by-step explanation:

If [tex]f(x)=x+7[/tex] and [tex]g(x)=\frac{1}{x-13}[/tex].

Then;

[tex](f\times g)(x)=f(x) \times g(x)[/tex]

This implies that;

[tex](f\times g)(x)=(x+7)\times \frac{1}{x-13}[/tex]

[tex](f\times g)(x)=\frac{x+7}{x-13}[/tex]

The domain of this function refers to all values of [tex]x[/tex] that makes the function defined.

The function is defined, when [tex]x-13\ne0[/tex]

The domain is [tex]x\ne13[/tex]

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