Calculate the work done by the force F along the path C.F = 
i + 
j + 
k; C: r(t) = t6i + t5j + t3k , 0 ? t ? 1
A. W = 0
B. W = 1
C. W = 
D. W = 14
Answer: C
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Graph the function on the indicated interval.y = sin (?x) - 3 cos (2x), 0 ? x ? 6.5 
A. 
B. 
C. 
D. 
Solve the problem.What polynomial expression represents, in appropriate units, the perimeter of this square? The area? 
A. Perimeter: 16t + 12; Area: 16t2 + 24t + 9 B. Perimeter: 16t + 3; Area: 8t2 + 24t + 6 C. Perimeter: 16t + 3; Area: 16t2 + 12t + 9 D. Perimeter: 16t + 12; Area: 16t2 + 9
Solve the problem.The value V of a car that is t years old can be modeled by V(t) = 19,558(0.82)t. According to the model, when will the car be worth $6000? Round to the nearest tenth of a year.
A. 51.1 yr B. 6.0 yr C. 0.9 yr D. 1.8 yr
Use the distributive property to find the product.(6y2 - 2y - 4)(y - 7)
A. 6y3 + 44y2 + 18y + 28 B. 6y3 - 44y2 + 10y + 28 C. 6y3 - 44y2 + 18y - 28 D. 6y3 + 44y2 + 10y - 28