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. 3,720 ft-lb
B. 3,690 ft-lb
C. 3,730 ft-lb
D. 3,700 ft-lb
E. 3,740 ft-lb
Answer: D
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Find a polynomial equation with real coefficients that has the given roots.3, 3, 
A. x3 - 3x2 - 6x + 18 = 0 B. x4 + 6x3 - 3x2 - 36x + 54 = 0 C. x4 - 6x3 + 3x2 + 36x - 54 = 0 D. x3 + 3x2 - 6x - 18 = 0
Solve the problem.The function defined by 
gives the distance in feet that a car going approximately 
will skid in t seconds. Find the time it would take for the car to skid 
. Round to the nearest tenth.
A. 8.9 sec B. 10.3 sec C. 10.1 sec D. 9.9 sec
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = -x2(x - 3)(x + 2)
A. y ? ? as x ? -? and y ? -? as x ? ? B. y ? -? as x ? -? and y ? ? as x ? ? C. y ? ? as x ? -? and y ? ? as x ? ? D. y ? -? as x ? -? and y ? -? as x ? ?
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 6
+ 2
A. 49x
B. 8x
C. 49x
D. 8x