Find 
.y = cos-1
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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For the given polar equation, write an equivalent rectangular equation.r = -11 csc ?
A. x = -11 B. y = -11 C. -11y = 1 D. -11x = 1
Mathematics
Find the second derivative.y = 5x3 - 7x2 + 5
A. 14x - 30 B. 20x - 14 C. 14x - 20 D. 30x - 14
Mathematics
Use the appropriate sum or difference identity to write the given expression as a function of x alone.sin 
A. sin x B. -cos x C. -sin x D. cos x
Mathematics
Use the Root Test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics