Solve the equation on the interval [0, 2?).tan 2x - tan x = 0
A. 0
B. 0, ?, 2?
C. 
, 
, 
, 
, 
, 
, 
D. 
,
Answer: B
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Write the number in scientific notation.0.05 × 107
A. 0.5 × 106 B. 5 × 10<6 C. 5 × 105 D. 5 × 109
Solve the problem.An airplane is flying in the direction 80° west of north at 758 km/hr. Find the component form of the velocity of the airplane, assuming that the positive x-axis represents due east and the positive y-axis represents due north.
A. 
B. 
C. 
D. 
Use graphical methods to solve the linear programming problem.x + 2y ? 103x + y ? 10x ? 0y ? 0Minimize P = 2x + 4y 
A. Minimum of 20 when x = 2 and y = 4, as well as when x = 10 and y = 0, and all points in between B. Minimum of 20 when x = 2 and y = 4 C. Minimum of 0 when x = 0 and y = 0 D. Minimum of 20 when x = 10 and y = 0
The Country Workshop's total weekly profit (in dollars) realized in manufacturing and selling its rolltop desks is given by the profit function
?
?
where 
stands for the number of finished units and y stands for the number of unfinished units manufactured and sold each week. Find the average weekly profit if the number of finished units manufactured and sold varies between 180 and 200and the number of unfinished units varies betweenand 100 and 120 per week. Please round your answer to the nearest dollar, if necessary.
?
A. 
per week
B. 
per week
C. 
per week
D. 
per week
E. 
per week