Find an explicit formula for an.1, - , , - , , . . .

A. an = 
B. an = 
C. an = 
D. an = 

Answer: B

Mathematics

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Find the absolute value. 

A.  
B. 0
C. -  
D.  

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Mathematics

Solve the problem.A pendulum of length L, when displaced horizontally and released, oscillates with harmonic motion according to the equation y = A sin(()t + ?/2), where y is the distance in meters from the rest position t seconds after release, and g = 9.8 m/s2. Identify the period, amplitude, and phase shift when A = 0.30 m and L = 0.49 m.

A. 0.70 s, 0.30 m, -0.70 s B. 1.40 s, 0.30 m, -0.35 s C. 1.40 s, 0.30 m, 0.35 s D. 0.31 s, 0.30 m, -0.079 s

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Mathematics

Simplify. ÷  ? 

A.
B. 16
C.
D.

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Mathematics

Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx2; [1, 2]

A.
B.
C.
D.

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Mathematics