Solve the problem.Two forces F1 and F2 of 38.8 and 28.6 pounds, forming an angle of 119.5°, act at a point. Find the magnitude of the resultant force. Round the answer to one decimal place, if necessary.
A. 58.4 lb
B. 67.4 lb
C. 1000 lb
D. 35.1 lb
Answer: D
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Find the area of the figure. Use 3.14 for ?.
A. 36.2984 m2 B. 18.1492 m2 C. 9.0746 m2 D. Not enough data
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = x2 + 2x - 3; (-5, 5)
A. local maximum at (1, -4) B. local minimum at (-1, -4) C. local maximum at (-1, 4) D. local minimum at (1, 4)
An object moves in simple harmonic motion described by the given equation, where t is measured in seconds and d in meters . Find the maximum displacement, the frequency, and the time required for one cycle.d = 4 cos 5t meters
A. displacement = 4 meters; period = 
seconds; f = 
? oscillations/second
B. displacement = 4 meters; period = 5 ? seconds; f = 
oscillations/second
C. displacement = -4 meters; period = 
? seconds; f = 
oscillations/second
D. displacement = 4 meters; period = 
? seconds; f = 
oscillations/second