Differentiate.
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Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 12?t inches after t seconds. What is the maximum height that the weight reaches above the equilibrium position and when does it first reach the maximum height? Round values to two decimal places, if necessary.
A. The maximum height of 10 inches is first reached after 3 seconds. B. The maximum height of 10 inches is first reached after 6 seconds. C. The maximum height of 5 inches is first reached after 6 seconds. D. The maximum height of 5 inches is first reached after 0.08 seconds.
Given matrix A, find the indicated minor.Find M42.A = 
A. 11 B. 0 C. -22 D. 22
Answer the question.Choose the equivalent form of the given formula for the lateral area of a cylinder: A = 2?rh.
A. h = 
B. h = 
C. r = 
D. r = 
Find a and b.If |x + 1| ? 2, then a ? 
? b.
A. a = 
, b = 
B. a = 
, b = 
C. a = 
, b = 
D. a = 
, b = 