use the expression $\frac{x - 6}{x + 4}$
how many excluded value(s) are there?

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Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Domain of Rational Functions" ], "new_concepts": [], "current_concepts": [ "Rational Expressions", "Domain of Rational Functions" ] } ## Identify the denominator of the rational expression Using the *Domain of Rational Functions* knowledge point $$ \text{Denominator} = x + 4 $$ ## Set the denominator equal to zero to find excluded values Using the *Domain of Rational Functions* knowledge point $$ \begin{aligned} x + 4 &= 0 \ x &= -4 \end{aligned} $$ ## Count the number of excluded values Using the *Domain of Rational Functions* knowledge point $$ \text{Number of excluded values} = 1 $$ Use the expression $\frac{x-6}{x+4}$. How many excluded value(s) are there? 1 { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Algebra", "Domain of Rational Functions" ] }

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Question

Explanation:

Identify the denominator of the rational expression

Set the denominator equal to zero to find excluded values

Count the number of excluded values

Answer: