Give the exact value.csc 330°
A. - 
B. -2
C. 2
D. 
Answer: B
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Add and subtract as indicated.12 + (-20) - 4 - (-2) + (-4)
A. -14 B. -18 C. 38 D. -10
The graph of a function f is given. Use the graph to answer the question.Find the values of x, if any, at which f has a relative maximum. What are the relative maxima?
A. f has a relative maximum at x = 1; the relative maximum is 2 B. f has a relative maximum at x = 0; the relative maximum is 2 C. f has no relative maximum D. f has a relative maximum at x = -1 and 1; the relative maximum is 0
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z. 5x - y + z = 8 7x + y + z = 6
A. no solution
B. (-z + 3, 4z + 7, z)
C. 
D. 
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = 2x - 5
A. Yes, yes B. No, yes C. No, no D. Yes, no