Determine the phase shift of the function.y = -2 cos 
A. -?
B. 
C. - 
D. 2?
Answer: A
Mathematics
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Determine if the given polar coordinates represent the same point.(r, ?), (-r, ? + ?)
A. No B. Yes
Mathematics
Find the flux of the curl of field F through the shell S.F = (4y + 1)i - 2xj + (ez - 4)k; S: r(r, ?) = 2 sin ? cos ?i + 2 sin ? sin ?j + 2 cos ?k, 0 ? ? ? 2? and 0 ? ? ? 
A. -24? B. 48 C. -48? D. 24?
Mathematics
Rewrite the statement so the inequality symbol points in the opposite direction.42 > 12
A. 12 < 42 B. 42 ? 12 C. 42 < 12 D. 12 > 42
Mathematics
Provide an appropriate response.If a ? b, is it always true that a2 ? b2? Explain.
What will be an ideal response?
Mathematics