Simplify.
A. 
B. - 
C. - 
D. 
Answer: C
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Solve the problem.The velocity field F of a fluid is the spin field F = - 
i + 
j. Following the smooth curve y = f(x) from (a, f(a)) to (b, f(b)), show that the flux across the curve is 
ds = k[(a2 + (f(a))2)1/2 - (b2 + (f(b))2)1/2]
What will be an ideal response?
New telephone lines must be installed to connect 8 cities (A, B, C, D, E, F, G, and H). Due to government regulations, the only possible connections that are allowed are shown by the edges on the network below. The numbers on the edges indicate the cost (in millions of dollars) of each possible connection. The telephone company wishes to connect the cities in the cheapest possible way.
The degree of vertex E in the minimal spanning tree is
A. 1. B. 3. C. 4. D. 2. E. all of these will be directly connected.
Convert the given interest rate to decimal form if it is given as a percentage, and to a percentage if it is given in decimal form.0.05% to decimal
A. 0.5 B. 5.0 C. 0.05 D. 0.0005
For the given functions f(x) and g(x), find (f ? g)(x) or 
(x) as indicated.f(x) = x + 11, g(x) = x - 2Find (f ? g)(x).
A. x2 + 6x - 22 B. x2 + 9x + 9 C. x2 - 22 D. x2 + 9x - 22