Solve.Given f(x) = x2 - 18x + 70, find all values for x for which f(x) ? 0.
A. [9 - 
, 9 + 
]
B. (-?, 9 - 
] ? [9 + 
, ?)
C. (-?, -
] ? [
, ?)
D. (-?, 9 - 
) ? (9 + 
, ?)
Answer: B
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Simplify.81 ÷ (-9) + (-9)
A. -18 B. -27 C. 18 D. 0
Solve the problem.The value of certain make and model of used car can depend on several factors. The table gives data for the values of three Chevy Caprice station wagons.The value V is measured in dollars, where A is the age of the car in years, and C is the condition of the car rated on a scale of 1 to 10 ( 10 is excellent condition ) .
The variables are found to be related by the equation 
Use the information given in the table to write a matrix equation which when solved will yield the values of a, b, and c.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Use graphs and tables to find the limit and identify any vertical asymptotes.
A. -? ; x = 6 B. ? ; x = 6 C. -? ; x = -6 D. 6 ; no vertical asymptotes
Perform the indicated operation.(4x2 - 6x - 7) + (-2x2 - 6x - 3)
A. 2x4 - 12x2 - 10 B. -8x2 - 6x - 10 C. 2x2 - 6x - 10 D. 2x2 - 12x - 10