Solve the problem.A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is  cycles per second, determine a trigonometric model that gives the position of the weight at time t  seconds.

A. y = 4 cos 8t
B. y = 4? cos 4t
C. y = -4 cos t
D. y = -4 cos 8t


Answer: D

Mathematics

You might also like to view...

Find all solutions of the equation in the interval [0, 2?).sec  = 

A.
B.
C.
D.

Mathematics

Find the exact value by using a half-angle identity.tan 165°

A. 2 + 
B. -2 + 
C. 2 - 
D. -2 - 

Mathematics

Factor the expression completely, if possible.100z2 - 49z4

A. (10z + 7z2)(10z - 7z2) B. z2(10z + 7z2)(10z - 7z2) C. z2(10 + 7z2)(10 - 7z2) D. z2(10 + 7z)(10 - 7z)

Mathematics

Sketch the graph of P to find all real zeros.

Mathematics