Graph the polar equation.r = 4 cos ?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the sum.
A. 204 B. 59 C. 164 D. 199
Mathematics
Graph the function.f(x) = e-x
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial, if possible.-2x2 - 6x + 20
A. -2(x + 2)(x - 5) B. 2(x - 2)(x + 5) C. -2(x + 2)(x + 5) D. -2(x - 2)(x + 5)
Mathematics
Find the standard form of the equation of the ellipse satisfying the given conditions.Foci at (0, -2), (0, 2); Vertices at (0, -6), (0, 6)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics