Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. x - 2
D. 
Answer: D
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Solve the equation for y.x = 9y + 2
A. y = 9x - 2
B. y = 
x - 
C. y = 
x - 2
D. y = x - 
Perform the indicated operation. Write the answer in scientific notation.
A. 10 × 1012 B. 10 × 102 C. 5 × 102 D. 5 × 1012
Simplify. Assume that all factors in radicands represent real numbers that are greater than or equal to 0.
A. 
B. 
C. 
D. none of these
Find the domain of the function and identify any vertical and horizontal asymptotes.
?
?
A. Domain: all real numbers x except x = 0Vertical asymptote: x = ±7Horizontal asymptote: No horizontal asymptote B. Domain: all real numbers x except x = ±7Vertical asymptote: x = ±7Horizontal asymptote: No horizontal asymptote C. Domain: all real numbers x except x = 7Vertical asymptote: x = 7Horizontal asymptote: y = 7 D. Domain: all real numbers xVertical asymptote: x = -7Horizontal asymptote: y = 0 E. Domain: all real numbers x except x = 0Vertical asymptote: x = 0Horizontal asymptote: y = -49