Graph the function in the ts-plane (t-axis horizontal, s-axis vertical). State the period and symmetry of the function.s = -tan 2t
A. Period 
, symmetric about the s-axis
B. Period 
, symmetric about the origin
C. Period ?, symmetric about the origin
D. Period 
, symmetric about the origin
Answer: B
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Find the average value of 
over the given region.
over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 27 B. 72 C. 18 D. 36
A trough is filled with a liquid of density 855 kg/m3 . The ends of the trough are equilateral triangles with sides 7 m long and vertex at the bottom. Find the hydrostatic force on one end of the trough. Select the correct answer.
Determine whether the number is divisible by 2, 3, 4, 5, 6, 8, 9, and/or 10.551
A. 3 B. 3, 9 C. None D. 3, 5
Find the volume of a box that is 17 in long, 11 in wide and 8 in tall. Express in cubic inches.
A. 36 
B. 108 
C. 4488 
D. 1496 