Solve the polynomial equation by factoring.2x3 + 4x2 - 2x - 4 = 0
A. -1, 1, -2
B. -1, -2
C. 1, -2
D. 1, -1, 2
Answer: A
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State the domain of the rational function.g(x) = 
A. (-?, ?) B. (-?, -3) ? (-3, ?) C. (-?, 4) ? (4, ?) D. (-?, 0) ? (0, ?)
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 
, y = 0, y = x - 6
A. 27?
B. 
?
C. 
?
D. 
?
Find an equation of the parabola described.Focus at (0, -7); directrix the line y = 7
A. y2 = -28x B. y2 = -7x C. x2 = 28y D. x2 = -28y
Solve the problem.The ocean surface is at 0 ft elevation. A diver is underwater at an elevation of -191 ft near a rock formation. In this area, the ocean floor has an elevation of -291 ft. The rock formation rises to a peak 110 ft above the ocean floor. How many feet below the top of the rock formation is the diver?
A. 181 ft B. 81 ft C. 10 ft D. 100 ft