## 50 points! For which rational expression is -5 an excluded value of x? A) x-5/6 B) x+5/6 C) 6/x-5 D) 6/x

Question

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## Answers ( )

Answer:D) 6/x+5

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5INGH

Step-by-step explanation:In this example, we will use D

x + 5 = 0 ⇒ x = – 5 ( Excluded value )

Answer:D

Step-by-step explanation:An excluded value is any value of x that makes the denominator of the rational expression zero as this would make the expression undefined.

Consider expression D

This will be undefined when

x + 5 = 0 ⇒ x = – 5 ← excluded value → D