RicardoL318738 RicardoL318738
  • 03-11-2022
  • Mathematics
contestada

Where is the function f(x) = 4/(x + 5) undefined?

Where is the function fx 4x 5 undefined class=

Respuesta :

LarsenL55690 LarsenL55690
  • 03-11-2022

For a function to be undefined, the denominator must be zero.

So, to solve the given function, let's equate the denominator to zero.

[tex]x+5=0[/tex]

Then, let's solve for x. Subtract -5 on both sides of the equation.

[tex]\begin{gathered} x+5-5=0-5 \\ x=-5 \end{gathered}[/tex]

Hence, at x = -5, the denominator is zero and it makes the function undefined.

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