Find the divergence of the field F.F = -7x3i - 3xyj - 5xzk
A. -21x2 - 8x - 29
B. -21x2 - 8x
C. -29
D. -21x2 - 3y - 5z
Answer: B
Mathematics
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What will be an ideal response?
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A. 
B. 
C. 
D. 
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Find the vertex and axis of symmetry of the graph of the function.f(x) = -4x2 + 8x
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