Simplify.
A. 1
B. 35
C. 
D. 
Answer: D
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Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = e-5x, and the line x = 5 about the y-axis.
A. - 
?(1 + 26 e-25)
B. 
?(1 - 24 e-25)
C. 
?(1 - 25 e-25)
D. 
?(1 - 26 e-25)
Solve the equation.y4 + 5y2 + 6 = 0
A. ±j
, ±j
B. -2, -3
C. ± 
, ± 
D. 2, 3
Graph the function. Then identify its domain and range.f(x) = -|x + 3| 
A. Domain: (-?, ?); range: [0, ?)
B. Domain: (-?, ?); range: (-?, 0]
C. Domain: (-?, ?); range: (-?, 3]
D. Domain: (-?, ?); range: (-?, 0]
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.) 3x - 8y - z = -27 x - 3y - 3z = -16-8x + y + z = -33
A. {(5, 5, 2)} B. {(5, 2, 5)} C. {(6, 3, 2)} D. {(5, -5, -2)}