Find the inverse of the function.f(x) = , x ? -2

A. f-1(x) = x2 - 4, x ? 0
B. f-1(x) = -x2 + 2, x ? 0
C. f-1(x) = x2 - 2, x ? 0
D. Not a one-to-one function 


Answer: C

Mathematics

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Use a spherical coordinate integral to find the volume of the given solid.the solid bounded below by the xy-plane, on the sides by the sphere  and above by the cone 

A. 16?
B. ?
C. 32?
D. ?

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Find the intersection.-6x - 4y = 5, -4y + 9z = -10

A. x = -36t - , y = 54t + , z = 24
B. x = -36t - 60, y = 54t - 10, z = 24t
C. x = -36t + , y = 54t - , z = -24t
D. x = -36t - , y = 54t + , z = 24t

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Solve the initial value problem.u'(x) =  - 4, u(0) = 5

A. =  tan-1 - 4- 5
B. =  tan-1 + 4- 5
C. = tan-1 - 4+ 5
D. =  tan-1 - 4+ 5

Mathematics

State the quadrant in which the point is located.(20, -6)

A. I B. II C. III D. IV

Mathematics