Use the sign diagram for 
to determine the largest interval on which f (x) increases, where 
and 
align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_732be880bd1a45e5bae7a41a9" />.
A. 
B. 
C. 
D. 
E. 
Answer: A
Mathematics
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Solve the problem.Write an iterated triple integral in the order 
for the volume of the tetrahedron cut from the first octant by the plane 
.
A. 
B. 
C. 
D. 
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Use an integer to express the number.The stock market gained 8 points on Monday.
A. -8 B. 8
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Graph the ellipse and locate the foci.4x2 + 16y2 = 64
A. foci at (
, 0) and (-
, 0)
B. foci at (5, 0) and (-5, 0)
C. foci at (0, 
) and (0, -
)
D. foci at (4, 0) and (-4, 0)
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