Find the exact value of the expression.cos-1
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Kozy Communications, Inc., is planning a new cellular telephone. For the first year, the fixed cost of setting up the production line is $25,400. The variable cost for producing each telephone is $75. The revenue from each telephone is $176. Find the profit or loss from the production and sale of 44,600 telephones.
A. $11,169,200 B. -$1.124990475e+09 C. $4,479,200 D. $4,530,000
Find the real solutions, if any, of the equation. Use the quadratic formula.10x = 2x2
A. {5, - 5} B. {0, 5} C. {0} D. {0, - 5}
For the given function, find all asymptotes of the type indicated (if there are any)f(x) = 
, slant
A. x = y + 10 B. y = x + 10 C. None D. y = x - 2
Solve the system of equations using elimination.
A. x = 9, y = 0; x = 9, y = 9 B. x = -9, y = 0; x = -9, y = 9 C. x = 9, y = 0; x = -9, y = 0 D. x = 9, y = 9; x = -9, y = 9