Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.tan 
A. 
B. 1
C. 
D. 
Answer: A
Mathematics
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Solve the problem.The length of one arch of the curve y = 3 sin 2x is given by L = 
Estimate L by the Trapezoidal Rule with n = 6.
A. 5.8169 B. 6.2807 C. 6.4115 D. 6.1995
Mathematics
Find the volume. Round results to the nearest tenth if necessary.A sphere with radius 14 cm
A. 6462.1 cm3 B. 820.6 cm3 C. 11,488.2 cm3 D. 1436 cm3
Mathematics
Match the system of equations with one of the graphs.y2 - 15y = x - 2xy = 7
A. 
B. 
C. 
D. 
Mathematics
Answer the question.For f(x) = 2x - 5 and g(x) = 
, what is the domain of 
A. 
B. 
C. 
D. 
Mathematics