ksr28
ksr28 ksr28
  • 18-10-2019
  • Mathematics
contestada

given that f(x) =2x - 3 / x + 1 state the value of x where f(x)is undefined ​

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mindyyyy
mindyyyy mindyyyy
  • 18-10-2019
It’s undefined at x=-1 because the denominator would be 0
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jimrgrant1 jimrgrant1
  • 18-10-2019

Answer:

x = - 1

Step-by-step explanation:

Given

f(x) = [tex]\frac{2x-3}{x+1}[/tex]

The denominator of f(x) cannot be zero as this would make f(x) undefined. Equating the denominator to zero and solving gives the value that x cannot be.

Solve x + 1 = 0 ⇒ x = - 1 ← excluded value

Answer Link

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