Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 
C. 
D. 
Answer: B
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the parabola 
to the parabola 
.
A. 432 B. 450 C. 75 D. 225
Solve the system of equations. x - y + 4z = 14x + z = 0 x + 4y + z = -4
A. x = 0, y = -1, z = 1 B. x = 0, y = -1, z = 0 C. x = 0, y = 0, z = -1 D. Inconsistent
Find a power function that models the data in the table. Round to three decimal places if necessary.
A. y = 3.3x + 6.7 B. y =0.565x9.208 C. y = 9.208x0.565 D. y = 8.221x1.244
Use the square root property to solve the equation.(x - 10)2 = -49
A. {3, 17} B. {10 - 7i, 10 + 7i} C. {-10 - 7i, -10 + 7i} D. {-17, -3}