Solve the problem.A force is given by the vector F = 4i + 2j. The force moves an object along a straight line from the point (10, 5) to the point (12, 14). Find the work done if the distance is measured in feet and the force is measured in pounds.
A. -26 ft-lb
B. 26 ft-lb
C. 40 ft-lb
D. -10 ft-lb
Answer: B
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Find a formula for the perimeter P of the polygon.
A. P = 2BH B. P = B + H C. P = BH D. P = 2B + 2H
Determine whether f and g are inverses by determining whether 
and 
f(x) = x3 + 8, g(x) = 
A. Yes B. No
Information is given about a polynomial f(x) whose coefficients are real numbers. Find the remaining zeros of f.Degree 3; zeros: -3, 3 - 5i
A. 3, 3 + 5i B. 3, -3 + 5i C. 3 + 5i D. -3 + 5i
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 345-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 1.2 sec B. 21.6 sec C. 86.3 sec D. 4.6 sec