Solve the equation by completing the square.3x2 - 2x - 6 = 0
A. {
, 
}
B. {
, 
}
C. {
, 
}
D. {-6, 
}
Answer: A
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Evaluate the expression for the given values. If necessary, round to the nearest tenth.
x = 10, y = 8
A. 40 B. 160 C. 80 D. 91
Solve the problem.A boat can go 20 mph in still water. It takes as long to go 140 miles upstream as it does to go downstream 210 miles. How fast is the current?
A. 4 mph B. 3 mph C. 1 mph D. 7 mph
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = -3x3 + 9x
A. y-axis B. x-axis C. origin D. x-axis, y-axis, origin E. none
Determine the equation of the horizontal asymptote for the graph of this function, and state the domain and range of this function.f(x) = 3x + 2
A. Horizontal asymptote: y = 2; Domain: (-?, ?), Range: (2, ?) B. Horizontal asymptote: y = 0; Domain: (-?, ?), Range: (0, ?) C. Horizontal asymptote: y = 2; Domain: (-?, ?), Range: (- 2, ?) D. Horizontal asymptote: y = - 2; Domain: (-?, ?), Range: (- 2, ?)