Find the limit.
8 cos 
A. 1
B. 8
C. 0
D. - 8
Answer: D
Mathematics
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Solve.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If V = 290.0 in.3 when T = 290° and P = 10 lb/in.2, what is the volume when T = 190° and P = 10 lb/in.2?
A. 160.0 in.3 B. 220.0 in.3 C. 180.0 in.3 D. 190.0 in.3
Mathematics
Determine if the given ordered pair is a solution to the system of equations.
(6, 0)
A. No B. Yes
Mathematics
A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-2, -1)Find sec ?.
A. -
B. - 
C. 
D. - 
Mathematics
Find the domain and range.y = 2x6
A. D = (-?, ?); R = [2, ?) B. D = (-?, ?); R = (-?, ?) C. D = (-?, ?); R = [0, ?) D. D = [0, ?); R = [-2, ?)
Mathematics