Given C = 118°, a = 7, and b = 13, use the Law of Cosines to solve the triangle for the value of c. Round your answer to two decimal places.
?
A. 16.68
B. 11.51
C. 15.94
D. 17.42
E. 14.47
Answer: D
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Find the missing parts of the triangle. A = 30°a = 21.66b = 43.32If necessary, round angles to the nearest degree and side lengths to the nearest hundredth.
A. no such triangle B. B = 60°, C = 60°, c = 37.52 C. B = 90°, C = 60°, c = 37.52 D. B = 60°, C = 90°, c = 37.52
Subtract.59 - 0.0217
A. 58.9783 B. 59.0217 C. 59.0783 D. 58.4783
Solve the inequality. Express your answer using interval notation. Graph the solution set.6 ? 4x - 2 ? 26
A. [-7, -2]
B. [2, 7]
C. (2, 7)
D. (-7, -2)
Graph f as a solid line and f-1 as a dashed line in the same rectangular coordinate space. Use interval notation to give the domain and range of f and f-1.f(x) = 
+ 1
A. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
B. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)
C. 
f domain = (-?, ?); range = (0, ?)
f-1 domain = (0, ?); range = (-?, ?)
D. 
f domain = (-?, ?); range = (-?, ?)
f-1 domain = (-?, ?); range = (-?, ?)