Use a calculator to find the value of the trigonometric expression to four decimal places.cos 6°
A. 0.1045
B. 0.4067
C. 0.9945
D. 0.5878
Answer: C
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Sketch a line passing through the point and having slope m.(0, 4), m = - 6
A. 
B. 
C. 
D. 
Solve the problem.A bicyclist's average linear speed during a race was 36 miles per hour. His bicycle wheel has a 16-inch diameter. What was the angular speed of the wheel in revolutions per hour? Round to the nearest tenth.
A. 142,560 revolutions per hr B. 2.3 revolutions per hr C. 3781.5 revolutions per hr D. 45,378.3 revolutions per hr
Solve the problem.A lumber yard has fixed costs of $1,747.20 per day and variable costs of $0.08 per board-foot produced. Lumber sells for $1.28 per board-foot. How many board-feet must be produced and sold daily to break even?
A. 970 board-feet B. 1,284 board-feet C. 1,456 board-feet D. 21,840 board-feet
If you have the following function, f ( x ) = -x2 - 5x + 4, compute f (3), f (-2), f (5), f (-4).
A. f (3) = 0, f (-2) = 21, f (5) = 6, f (-4) = 43 B. f (3) = -2, f (-2) = 18, f (5) = 4, f (-4) = 40 C. f (3) = 1, f (-2) = 20, f (5) = 7, f (-4) = 42 D. f (3) = -1, f (-2) = 19, f (5) = 5, f (-4) = 41 E. f (3) = -3, f (-2) = 16, f (5) = 2, f (-4) = 39