Solve the quadratic equation using the most efficient technique (factoring, extracting square roots, completing the square, or the quadratic formula).x2 - 4x + 40 = 0
A. {-2 ± 6i}
B. {8, -4}
C. {4 ± 12i}
D. {2 ± 6i}
Answer: D
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Provide an appropriate response.The following graph represents a function. Identify the independent and dependent variables and describe the domain and range.
A. The independent variable is age and the dependent variable is time, measured in years. The domain is the years between 1980 and 2004. The range is the ages between 0 and 82. B. The independent variable is time, measured in years, and the dependent variable is age. The domain is the years between 1980 and 2004. The range is the ages between 0 and 82. C. The independent variable is age and the dependent variable is time, measured in years. The domain is the ages between 0 and 82. The range is the years between 1980 and 2004. D. The independent variable is time, measured in years, and the dependent variable is age. The domain is the ages between 0 and 82. The range is the years between 1980 and 2004.
Evaluate the double integral over the given region.
R = {(x, y): 0 ? x ? ?, 0 ? y ? 1}
A. ?
B. 3?
C. 
D. 3? - 3
Use the properties of limits to evaluate the limit if it exists.
(x3 + 5x2 - 7x + 1)
A. 0 B. 15 C. Does not exist D. 29
Graph the equation by plotting points.y = x + 3
A. 
B. 
C. 
D. 