Evaluate the improper integral.

A.
B. 1
C. 4
D.


Answer: A

Mathematics

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Solve by making a u-substitution.x - 13x1/2 + 42 = 0

A. {6, 7} B. {-36, 49} C. {-6, 7} D. {36, 49}

Mathematics

Graph the solution set of the system.(x + 2)2 + (y - 4)2 ? 9(x - 2)2 + (y - 4)2 ? 9

A.

B.

C.

D.

Mathematics

Multiply or divide as indicated. ? 

A. - 
B.
C. - 
D. - 

Mathematics

Find the minimum value of the objective function and where it occurs, subject to the indicated constraints. ? Objective function: ? z = 4x + 16y ? Constraints: ?        x ? 0         y ? 0 2x + y ? 12 ? ?

A. Minimum at (0, 0): 0 B. Minimum at (6, 0): 49 C. Minimum at (0, 6): 48 D. Minimum at (12, 0): 192 E. Minimum at (0, 12): 193

Mathematics