Solve the problem.Arches in the shapes of parabolas are often used in construction. Find the equation of a parabolic arc that is 24 feet high at its highest point and 26 feet wide at the base, as illustrated in the figure. Place the origin at the midpoint of the base. 

A. y = -x2 + 26
B. y = - x2 + 24
C. y = x2 + 24
D. y = -x2 + 24


Answer: B

Mathematics

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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 9 sin2 t, y = 9 cos2 t; 0 ? t ? 2?

A.  +  = 1
B. x + y = 9
C. x2 + y2 = 9
D. 9x + 9y = 1

Mathematics

Use a CAS integration utility to evaluate the triple integral of the given function over the specified solid region. over the rectangular solid 

A. - 1,299,360 B. - 1,949,040 C. - 1,732,480 D. - 1,039,488

Mathematics

Find the center and radius of the sphere.3x2 + 3y2 + 3z2 - 2x + 2y = 9

A. C, a = 
B. C, a = 
C. C, a = 
D. C, a = 

Mathematics

Perform the indicated operation. - 

A.
B.
C. - 
D.

Mathematics