Find a polar equation for the circle.x2 + 
x + y2 = 0
A. r = 
sin ?
B. r = - 
sin ?
C. r = 
cos ?
D. r = - 
cos ?
Answer: D
Mathematics
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Find the absolute maximum and minimum values of the function on the given curve.Function: 
curve: 
, 
(Use the parametric equations 
A. Absolute maximum: 6
at 
absolute minimum: -6
at 
B. Absolute maximum: 6 at 
absolute minimum: -6 at 
C. Absolute maximum: 6
at 
absolute minimum: -6 at 
D. Absolute maximum: 6 at 
absolute minimum: -6
at 
Mathematics
Simplify the expression.
A. sin2x B. cos2x C. cot x csc x D. tan x sec x
Mathematics
Add and, if possible, simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.What is the coefficient of a4b3cd2 in the expansion of (a + b + c - d)10?
A. -362,880 B. 12,600 C. 362,880 D. -12,600
Mathematics