Find an equation for the graph.
A. y = -3 cos 
B. y = -3 sin (2x)
C. y = -3 cos (2x)
D. y = -3 sin 
Answer: D
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = - 
A. 
B. 
C. 
D. 
Mathematics
Write the complete factored form of the polynomial f(x), given the indicated zero.f(x) = 2x3 - 13x2 + 13x + 105 is a zero.
A. f(x) = 2
(x + 2)(x - 5)
B. f(x) = 
(x - 2)(x - 5)
C. f(x) = 2
(x - 2)(x - 5)
D. f(x) = 
(x - 2)(x - 5)
Mathematics
Convert the polar equation to rectangular coordinates.  figure 1.png)
 figure 2.png)
Mathematics
Use a vertical shift to graph the function.y = 2 + cos x
A. 
B. 
C. 
D. 
Mathematics