Simplify the expression.
?
?
A. 3
B. -3
C. 
D. -27
E. -30
Answer: B
Mathematics
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = zk , S is the surface of the sphere x2 + y2 + z2 = 4 in the first octant , direction away from the origin
A. 2?
B. 0
C. 
?
D. 
?
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Identify the conic section represented by the equation.4x2 + 7y2 - 8x + 42y - 59 = 0
A. ellipse. B. parabola C. hyperbola D. circle
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Use translations of one of the basic functions to sketch a graph of y = f(x) by hand.y = 
- 9
A. 
B. 
C. 
D. 
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Express the following statement using ?-notation.:
Mathematics