Write each expression in factored form as an algebraic expression of a single trigonometric function.sin 2 x + sin x - 2
A. (sin x + 2)(sin x - 1)
B. (sin x - 2)(sin x + 1)
C. (sin x + 2)(sin x + 1)
D. (sin x - 2)(sin x - 1)
Answer: A
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Evaluate the expression.
? 
A. 
B. 
C. 
D. 
The management of Acrosonic plans to market the ElectroStat, an electrostatic speaker system. The marketing department has determined that the demand for these speakers is 
, wherepdenotes the speaker's unit price (in dollars) andxdenotes the quantity demanded.
?
Acrosonic's production department estimates that the total cost (in dollars) incurred in manufacturing x ElectroStat speaker systems in the first year of production will be 
.
?
Find the profit function P and select the graph of the profit function.
?
A. ?
B. ?
C. ?
Perform the operation and simplify, or solve the equation for the variable.
+ 
A. 
B. 
C. 
D. 
Use the graph of the polynomial function f(x) to solve f(x) = 0.
A. -3, -1, 2, 4 B. -3, 2, 4 C. -4, -2, 3 D. -4, -2, 1, 3