Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 
B. 
C. 21
D. 
Answer: D
Mathematics
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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 
- 
A. 7x
B. -5x
C. -5x
D. -5
Mathematics
Use a Taylor series to evaluate the function.e1.4
A. 4.9926 B. 3.3888 C. 2.8642 D. 4.0521
Mathematics
Solve the problem.A 15-kg mass is attached to a spring that hangs vertically and is stretched 1 m from the equilibrium position of the spring. Assume a linear spring with F(x) = kx. How much work is required to stretch the spring and lower the mass 1 m? Round to four decimal places when appropriate.
A. 220.5 J B. 36.75 J C. 183.75 J D. 367.5 J
Mathematics
Find the difference.-4 - 13
A. -17 B. 9 C. 17 D. -9
Mathematics