Identify whether the given number is a member of the following sets of numbers: A. natural numbers, B. whole numbers, C. integers, D. real numbers.-28
A. D
B. C, D
C. B, D
D. A, B, C, D
Answer: B
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Find the required limit or indicate that it does not exist.
A. 
i - 8j
B. 
i + 8j
C. 
i - 2j
D. 
i + 8j
Find the work performed when the given force F is applied to an object, whose resulting motion is represented by the displacement vector d. Assume the force is in pounds and the displacement is measured in feet.
?
?
A. 160 ft-lb B. 230 ft-lb C. 170 ft-lb D. 190 ft-lb E. 200 ft-lb
Solve the problem.Ron throws a ball straight up with an initial velocity of 40 feet per second from a height of 7 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0; y = -16t2 + 40t + 7; 5.328 sec; 1.25 sec; 25 feet B. x = 0; y = -16t2 + 40t + 7; 4.621 sec; 1.25 sec; 177.892 feet C. x = 0; y = -16t2 + 40t + 7; 2.311 sec; 1.25 sec; 6.988 feet D. x = 0; y = -16t2 + 40t + 7; 2.664 sec; 1.25 sec; 32 feet
Write and solve an equation to answer the question. Round your answer to the nearest tenth of a percent, if necessary.996 cabinets is what percent of 758 cabinets?
A. 131.4% B. 0.1% C. 76.1% D. 1.3%