Write the expression as a single trigonometric function.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 0 B. x = -1 C. x = 1 D. none
Mathematics
Graph the function.y = -3 cos 
+ 2
A. 
B. 
C. 
D. 
Mathematics
Solve by the method of your choice.6x2 = -12x - 4
A. 
B. 
C. 
D. 
Mathematics
Write the standard equation for the circle.
A. (x + 1)2 + (y - 1)2 = 16 B. (x + 1)2 + (y - 1)2 = 4 C. (x - 1)2 + (y + 1)2 = 16 D. (x - 1)2 + (y + 1)2 = 4
Mathematics