Solve the problem.A bullet is fired with a muzzle velocity of 1209 ft/sec from a gun aimed at an angle of 12° above the horizontal. Find the vertical component of the velocity.
A. 257.0 ft/sec
B. 1183 ft/sec
C. 251.4 ft/sec
D. 1020 ft/sec
Answer: C
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Solve the problem.A company makes three chocolate candies: cherry, almond, and raisin. Matrix A gives the amount of ingredients in one batch. Matrix B gives the costs of ingredients from suppliers X and Y. What is the cost of 100 batches from supplier X? 
A = 
B = 
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A. $6600
B. $4800
C. $7800
D. $3300
Solve the problem.The elk population in a certain region is given by the function 
where the time t is measured in years. What is the largest number of elk present in the region at any time?
A. 1320 elk B. 1180 elk C. 140 elk D. 1460 elk
Solve the problem.At an altitude of h feet above the surface of the earth, the approximate distance in miles that a person can see is given by 
How far can a person see if if he or she is 920 feet above the earth's surface? Round your answer to the nearest tenth of a mile.
A. 38.2 mi B. 39.5 mi C. 37.1 mi D. 42.8 mi
Find the derivative.f(x) = 5x4 + 2x3 - 9
A. 4x3 + 3x2 - 7 B. 4x3 + 3x2 C. 20x3 + 6x2 D. 20x3 + 6x2 - 7