Add or subtract.68 - 4.88
A. 67.512
B. 63.912
C. 63.12
D. 1.92
Answer: C
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Simplify. Assume all variables and radicands represent nonnegative real numbers.
A. 
B. 
C. 
D. p
Rewrite the quadratic function in standard form by completing the square.f(x) = x2 + 5x + 2
A. f(x) = 
2 - 
B. f(x) = (x + 5)2 - 23
C. f(x) = 
2 + 
D. f(x) = (x - 5)2 + 23
Match the given function to its graph.1) y = 2 sin(3x)2) y = 2 sin src="https://sciemce.com/media/4/ppg__tttt0523191139__f1q91g6.jpg" alt="" style="vertical-align: 0.0px;" height="200" width="200" />
A. 1C, 2A, 3B, 4D
B. 1D, 2B, 3A, 4C
C. 1A, 2C, 3D, 4B
D. 1C, 2A, 3D, 4B
3) y = 2 cos(3x)4) y = 2 cos
AB
?
CD
?
DeMoivre's Theorem can be used to find reciprocals of complex numbers. Recall from algebra that the reciprocal of x is 
, which can be expressed as 
.
?
Use this fact, along with DeMoivre's Theorem, to find the reciprocal of the number below.
?
?
?
A. 
B. 
C. 
D. 
E. 