Solve the rational inequality.
> 
A. (-9, ?)
B. (-?, -9)
C. (-?, ?)
D. ?
Answer: A
Mathematics
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Graph the polar equation.r = 
Identify the directrix and vertices. 
A. directrix: 
unit(s) below
the pole at y = - 
vertices: 
, 
B. directrix: 
unit(s) to the left of
the pole at x = - 
vertices: 
, 
C. directrix: 
unit(s) to the right of
the pole at x = 
vertices: 
, 
D. directrix: 
unit(s) above
the pole at y = 
vertices: 
, 
Mathematics
Solve the problem.Find f(-1) when f(x) = 3x2 + 5x - 4.
A. 2 B. -8 C. 4 D. -6
Mathematics
Find the value of the determinant.
A. 217 B. -21 C. 21 D. -51
Mathematics
Establish the identity.
+ 
= 2 csc x
What will be an ideal response?
Mathematics