Find the gradient field of the function.f(x, y, z) = 
A. ?f = 
i + 
j + 
k
B. ?f = 
(x2 + y2 + z2)i + 
j + 
k
C. ?f = 
i + 2yj + 2zk
D. ?f = 
i + 
j + 
k
Answer: A
Mathematics
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Write a description of the set.E = {x | x ? N and 2 < x ? 19}
A. E is the set of natural numbers greater than 2 and less than or equal to 19. B. E is the set of integers greater than 2 and less than or equal to 19. C. E is the set of natural numbers greater than 19 and less than or equal to 2. D. E is the set of natural numbers greater than or equal to 2 and less than 19.
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Determine if the given regular figures form a vertex figure.Square, two octagons
A. Yes B. No
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Multiply.(58)(989)
A. 57,372 B. 57,362 C. 57,462 D. 57,352
Mathematics