Find the axis of symmetry of the parabola defined by the given quadratic function.y + 9 = (x - 3)2

A. y = -9
B. x = - 3
C. x = 3
D. y = 9


Answer: C

Mathematics

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Use spherical coordinates to find the volume of the indicated region.the region bounded above by the sphere  and below by the cone 

A. 250?(2 - )
B. 250?(2 - )
C. ?(2 - )
D. ?(2 - )

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Find an equation for the hyperbola described. Graph the equation.Vertex at (0, 6); foci at (0, ) and (0, -)

A.  -  = 1

B.  -  = 1

C.  -  = 1

D.  -  = 1

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Perform the indicated operation or operations.

A.
B.
C. - 
D.

Mathematics

Find the equation of the tangent line to the curve when x has the given value.f(x) = x2 + 5x; x = 4

A. y = 13x - 16
B. y = -  +  
C. y =  + 
D. y = -39x - 80

Mathematics