Find the gradient field F of the function f.f(x, y, z) = 
A. F = 
i + 2yj + 2zk
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
(x2 + y2 + z2)i + 
j + 
k
Answer: C
Mathematics
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A. 8 B. 7 C. 14 D. 2
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Write the equation of a sine function that has the given characteristics.Amplitude: 2Period: ?Phase Shift: 
A. y = 2 sin (2x - 3)
B. y = sin (2x + 3)
C. y = 2 sin 
D. y = 2 sin 
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Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.1 - 
= 
A. Inconsistent, ?
B. Conditional, {2}
C. Conditional, {-2}
D. Identity, 
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Use a graph or a table to find the limit.
A. ? B. -? C. 0 D. 3
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