Evaluate the indicated function with the given information.Find cos 2x if sin x = - 
(in fourth quadrant).
A. 
B. - 
C. - 
D. 
Answer: B
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Identify the vertex and axis of symmetry for the parabola.
A. (0, 4); x = 4 B. (0, 4); x = 0 C. (4, 0); x = 4 D. (4, 0); y = 0
Solve the inequality. Express your answer using interval notation. Graph the solution set.|4k + 8| - 8 < -5
A. (-?, - 
)
B. (- 
, - 
)
C. (-?, - 
)
D. (-?, - 
) ? (- 
, ?)
A product can be produced at a total cost 
dollars, where x is the number produced. If the total revenue is given by 
dollars, find the maximum profit. Round your answer to
the nearest dollar.
??
A. 
?
B. 
C. 
D. 
E. 
Your friend Frans tells you that the system of linear equations you are solving cannot have a unique solution because the reduced matrix has a row of zeros. Is Frans' statement true or false?
Answer the following statement true (T) or false (F)