Evaluate the limit.
= (
- x)
A. - 
B. - 
C. 1
D. 0
Answer: B
Mathematics
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Solve the problem.A spring on a horizontal surface can be stretched and held 0.5 m from its equilibrium position with a force of 40 N. How much work is done in stretching the spring 2 m from its equilibrium position?
A. 80 J B. 160 J C. 40 J D. 320 J
Mathematics
Simplify.
- 
A. 
B. - 
C. 
D. 
Mathematics
Identify where f is increasing or where f is decreasing, as indicated. Round your answer to two decimal places when appropriate.f(x) = -3x2 + 12x; increasing
A. (-?, 2] B. [-2, ?) C. (-?, -2] D. [2, ?)
Mathematics
Solve the initial-value problem using the method of undetermined coefficients.
Mathematics