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Which of the following of x makes the rational expressions below undefined

Which of the following of x makes the rational expressions below undefined
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4 votes
Which of the following of x makes the rational expressions below undefined

Which of the following of x makes the rational expressions below undefined-example-1
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User Joyce De Lanna
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8.1k points

1 Answer

3 votes

A rational expression is undefined if the denominator is zero. Since the denominator is
x+13, the expression is undefined if


x+13 = 0 \iff x=-13

answered
User Scolytus
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8.2k points
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