Question

For what value x makes 5/4-x undefined

Answer 1

Answer:

4

Explanation :

5/(4-x)

Denominator should not be zero.

4-x≠0

=> -x≠-4

=> x≠4

Therefore,

If x = 4 , 5/(4-x) is undefined.

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Answer 2

Answer:

Step-by-step explanation:5/4-x=4