Graph the polar equation.r = 
Identify the directrix and vertices. 
A. directrix: 1 unit(s) to the left of
the pole at x = -1
vertices: 
, 
B. directrix: 1 unit(s) above
the pole at y = 1
vertices: 
, 
C. directrix: 1 unit(s) to the right of
the pole at x = 1
vertices: 
, 
D. directrix: 1 unit(s) below
the pole at y = -1
vertices: 
, 
Answer: C
Mathematics
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Find all real numbers in the interval [0, 2?) that satisfy the equation.sin x cos(?/3) - cos x sin(?/3) = 
A. 
B. 
C. 
D. 
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Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = x2 - 20x +104
A. Minimum: 4 B. Minimum: 0 C. Maximum: -4 D. Maximum: 10
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Find Dxy.y = 
+ 5 sec x
A. - 
+ 5 tan2x
B. 
- 5 sec x tan x
C. - 
+ 5 sec x tan x
D. - 
- 5 csc x
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Find the steady-state vector for the transition matrix.
Mathematics