Provide an appropriate response.Find the mistake in the following problem and give the correct result: 12 - 2i - (3 + 2i) = 9

What will be an ideal response?


Distribute negative 1 first. Then combine. 
 12 - 2i - (3 + 2i) = 9 - 4i

Mathematics

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Evaluate the integral.dx

A. 14 B. -5 C. 5 D. 9

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Find any relative maximum or minimum points of the given function.y = -x3 + 12x - 2

A. Minimum at (-1, -13), maximum at (1, 9) B. Maximum at (-2, -18), minimum at (2, 14) C. Minimum at (-2, -18), maximum at (2, 14) D. Minimum at (-2, -18), (4, -18), maximum at (2, 14)

Mathematics

Solve the problem.Find the center of mass of a tetrahedron of density  bounded by the coordinate planes and the plane .

A.  =  =  = 
B.  =  =  = 
C.  =  =  = 
D.  =  =  = 

Mathematics

The management of Titan Tire Company has determined that the weekly demand and supply functions for their Super Titan tires are given by ? ? respectively, where p is measured in dollars and x is measured in thousands of units. Find the equilibrium quantity and price. ? 

A. xb = 7,000 units  pb = $84 B. xb = 6,000 units  pb = $69 C. xb = 6,500 units  pb = $69 D. xb = 6,000 units  pb = $89 E. xb = 7,000 units  pb = $89

Mathematics