Perform the indicated operation. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.A weight is suspended on a system of springs and oscillates up and down according to P = 
[sin (2t) + sin t]where P is the position in meters above or below the point of equilibrium (P = 0) and t is time in seconds. Find the time when the weight is at equilibrium. Find the exact values. Do not use a calculator.
What will be an ideal response?
Mathematics
Rationalize the numerator.
?
What will be an ideal response?
Mathematics
Solve the problem.Find two supplementary angles such that the first angle is 9° more than 2 times the second.
A. 57°; 123° B. 123°; 57° C. 60°; 120° D. 27°; 63°
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = 
;
Find (f ? g)(x).
A. 
B. 
C. 
D. 
Mathematics