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Determine the Domain of the Function r(x)=x2+x−20x2−14x+48r ( x ) = \frac { x ^ { 2 } + x - 20 } { x ^ { 2 } - 14 x + 48 }

Question 52

Multiple Choice

Determine the domain of the function.
- r(x) =x2+x−20x2−14x+48r ( x ) = \frac { x ^ { 2 } + x - 20 } { x ^ { 2 } - 14 x + 48 }


A) {x∣x≠5 and x≠−4}\{ x \mid x \neq 5 \text { and } x \neq - 4 \}
B) {x∣x≠6 and x≠8}\{ x \mid x \neq 6 \text { and } x \neq 8 \}
C) {x∣x≠−6 and x≠−8}\{ x \mid x \neq - 6 \text { and } x \neq - 8 \}
D) {x∣x≠−5 and x≠4}\{ x \mid x \neq - 5 \text { and } x \neq 4 \}

Correct Answer:

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