Find an equation for the graph.
A. y = 2 cos (4x)
B. y = 2 cos 
C. y = 4 cos (2x)
D. y = 4 cos 
Answer: C
Mathematics
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6 + 7 = 7 + 6 is an example of the __________ property of addition.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = xzi + yzj + k , S is the cap cut from the sphere x2 + y2 + z2 = 9 by the plane 
direction is outward
A. 35?
B. - 
?
C. 
?
D. 
?
Mathematics
Solve the problem.Find all points on the curve y = cos x, 0 ? x ? 2?, where the tangent line is parallel to the line 
A. (2?, 1)
B. 
C. 
D. (?, - 1)
Mathematics
Graph the fraction on a number line.- 
A. 
B. 
C. 
D. 
Mathematics