Graphically approximate the limit (if it exists) by using a graphing utility to graph the function.
?
?
A. 
?
B.
C.
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D.
?
E.
?
Answer: B
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F = 3xi + 3yj + zk; S is portion of the plane x + y + z = 8 for which 0 ? x ? 3 and 
direction is away from the origin
A. 0 B. 180 C. 480 D. 240
Mathematics
Solve the problem.Refer to the following preference schedule.
Find the winner by the method of pairwise comparisons.
A. C B. B C. A D. D
Mathematics
Decide whether the statement is true or false. If it is false, tell why.The equation (x + 21)2 = 0 has exactly one real solution.
A. True B. False; the equation has two real solutions. C. False; the equation has no real solutions.
Mathematics
Evaluate.i48
A. -1 B. i C. -i D. 1
Mathematics