Use the unit circle to find the indicated quantities.
cos (-8?); tan (-8?)
A. -1; undefined
B. 1; undefined
C. 0; undefined
D. 1; 0
Answer: D
Mathematics
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Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
. (Round to the nearest whole number.)
A. 800, 50 B. 800, 12,800 C. 1600, 50 D. 800, 25
Mathematics
Find the product.(x - 12)(x2 + 8x - 2)
A. x3 + 20x2 + 94x - 24 B. x3 - 4x2 - 94x - 24 C. x3 + 20x2 + 98x + 24 D. x3 - 4x2 - 98x + 24
Mathematics
Add the polynomials.(9x + 5) + (5x - 9)
A. 10x2 B. 10x C. 14x2 - 4 D. 14x - 4
Mathematics
Find the integral.
A. 
tan-1 
+ C
B. 
ln 
+ C
C. 2x ln 
+ C
D. ln 
+ C
Mathematics