Determine the symmetries of the curve.r2 = 4 sin 5?
A. x-axis, y-axis, origin
B. x-axis only
C. Origin only
D. y-axis only
Answer: A
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Find the limit of the sequence if it converges; otherwise indicate divergence.an = n - 
A. 
B. 6
C. 0
D. Diverges
Solve the problem.Two low-frequency sound waves with similar frequencies, producing the pressures 
and 
combine to form a pressure P = P1 + P2 . The variable t is time measured in seconds. Graph P in 
by 
and use the graph to determine the frequency of the displayed beats.
A. 10 beats per second B. 8 beats per second C. 13 beats per second D. 5 beats per second
Find the actual difference.7.582 - (-0.31)
A. 2.350 B. 7.272 C. 7.892 D. 7.992
Write the expression in the standard form a + bi.Given z = 7 - 3i and w = 9 + 6i, evaluate 
.
A. 16 + 3i B. -2 + 9i C. 16 - 3i D. -16 - 3i