Find the sum.
A. 
B. 
C. 
D. Does not exist
Answer: B
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Solve the problem.How much work is required to move an object from x = 0 to x = 3 (measured in meters) in the presence of a constant force of 6 N acting along the x-axis?
A. 2 J B. 18 J C. 27 J D. ?
Solve the problem.The speed of a ball dropped from a tower is given by the linear function y = 32x where y is in feet per second and x is the number of seconds since the ball was dropped. Find and interpret the slope and y-intercept of the linear equation.
A. m = 32; The speed of the ball is 32 feet per second. b = 0; When the ball is dropped at x = 0, the ball has fallen 0 feet. B. m = 0; The speed of the ball does not increase as time passes. b = 32; At time x = 0, the ball has fallen 32 feet. C. m = 32; The speed of the ball increases 32 feet per second every second. There is no y-intercept to interpret. D. m = 32; The speed of the ball increases 32 feet per second every second. b = 0; The speed of the ball was 0 the moment it was dropped.
Use the figure below to answer the following question(s).
The cheapest-link tour starting with vertex A is A, B, D, C, A
A. only if x > 5. B. only if x > 2. C. only if 0 < x < 1. D. only if 1 < x < 2. E. regardless of the value of x.
Solve the linear system using an inverse matrix.
A. (6, 2) B. (2, 6) C. (-6, -2) D. (-2, -6)