Determine whether the graph is a tree.
A. No
B. Yes
Answer: B
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = ln
+ z10
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Mathematics
Solve the equation.Solve sin ? = 
for ?, where 0 ? ? ? 
.
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = -
A. 
B. 
C. 
D. 
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.-2 - 2i
A. 4(cos 240° + i sin 240°) B. 2(cos 240° + i sin 240°) C. 4(cos 290° + i sin 290°) D. 4(cos 180° + i sin 180°)
Mathematics