Find the derivative of y with respect to x.y = -cos-1 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the exact value by using a half-angle identity.sin 
A. 
B. 
C. 
D. 
Mathematics
Find the absolute value.|-0.019|
A. 0 B. -0.019 C. 0.019 D. 0.038
Mathematics
Determine the specific solutions (if any) to the equation on the interval [0, 2?).cos 
+ cos 
= 1
A. 
, 
B. 0
C. 
, 
D. 
, 
Mathematics
Solve the problem.A cereal factory has weekly fixed costs of $27,000. It costs $1.25 to produce each box of cereal. A box of cereal sells for $4.15. Find the rule of the profit function p(x) that gives the total weekly profit from x boxes of cereal.
A. p(x) = 2.9x B. p(x) = 2.9 + 27,000x C. p(x) = 2.9x - 27,000 D. p(x) = 4.15x - 27,000
Mathematics