Solve the problem.A weight attached to a spring is pulled down 5 inches below the equilibrium position. Assuming that the period of the system is 
second, determine a trigonometric model that gives the position of the weight at time t seconds.
A. y = 5cos 16?t
B. y = -5cos 8?t
C. y = 5cos 
t
D. y = -5cos 16?t
Answer: D
Mathematics
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Provide an appropriate response.A wrench is marked 
at one end and 
at the other end. Which end is larger?
A. 
B. 
Mathematics
Graph the ellipse. Label the foci and the endpoints of each axis.
+ 
= 1
A. F(±2
, 0); V(±4, 0); no endpoints
B. F(±
, 0); V(±5, 0); U(0, ±2)
C. F(±2
, 0); V(±4, 0); U(0, ±2)
D. F(0, ±2
); V(0, ±4); U(±2, 0)
Mathematics
A point lying on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function of ?.
Find cos ?.
A. 
B. 
C. - 
D. - 
Mathematics
Evaluate without using a calculator.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics