The graph of a polar equation is given. Select the polar equation for the graph. 
A. r sin ? = -1
B. r = -2 cos ?
C. r = -1
D. r = -2 sin ?
Answer: B
Mathematics
You might also like to view...
Evaluate.
- 
A. - 
B. 
C. - 
D. 
Mathematics
Find the exact value of the expression. Do not use a calculator.cot 60° - cos 45°
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A population of birds in a small county can be modeled by the polynomial 
where x = 1 corresponds to July 1, x = 2 to July 2, and so on. For what days does f estimate the population to be 8550?
A. July 12th B. July 14th C. July 13th D. July 11th
Mathematics
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 7
+ 3
A. 10
B. 30
C. 21
D. 10
Mathematics