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Question 1 of 5: Find the domain:
$$\frac{3x - 9}{x - 3}$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\left\{x | x ≠ -\frac{1}{3}\right\}$$
B
$$\{x | x ≠ 5, -1\}$$
C
$$\{x | x ≠ -1\}$$
D
$$\{x | x ≠ -3,3\}$$
E
$$\{x | x ≠ 3\}$$
Question 2 of 5: Find the domain:
$$\frac{x + 12}{x^2 - 2x - 48}$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\{x | x ≠ -6,8\}$$
B
$$\{x | x ≠ -6,9\}$$
C
$$\{x | x ≠ -6,0\}$$
D
$$\{x | x ≠ -8,-10\}$$
E
$$\{x | x ≠ 12,-2\}$$
Question 3 of 5: Find the domain:
$$\frac{x^2 - 10x + 21}{x^2 + 7x - 30}$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\{x | x ≠ -8,5\}$$
B
$$\left\{x | x ≠ -\frac{8}{7},0\right\}$$
C
$$\{x | x ≠ -6,5\}$$
D
$$\{x | x ≠ -10,3\}$$
E
$$\{x | x ≠ 0,-7\}$$
Question 4 of 5: Find the domain:
$$\frac{2x^2 + 5}{21x^3 + 192x^2 - 180x}$$
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Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\{x | x ≠ -\frac{3}{2}, 0\}$$
B
$$\{x | x ≠ -10, 0, \frac{6}{7}\}$$
C
$$\{x | x ≠ -5, 0, 2\}$$
D
$$\{x | x ≠ -10, 0, \frac{4}{5}\}$$
E
$$\{x | x ≠ -3, 2, 4\}$$
Question 5 of 5: Find the domain:
$$\frac{70x^3 - 80x^2 + 10x}{50x^3 - 30x^2 - 80x}$$
Finish »
Select the Correct Answer Below: Correct! Cool Emoji Not Correct! Cool Emoji
A
$$\{x | x ≠ -\frac{5}{3}, 0\}$$
B
$$\left\{x | x ≠ -1, 0, \frac{8}{5}\right\}$$
C
$$\left\{x | x ≠ -\frac{7}{2}, -1, 0\right\}$$
D
$$\{x | x ≠ -2,-1\}$$
E
$$\{x | x ≠ -1,1,3\}$$

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