Solve the problem.Suppose that a weight on a spring has an initial position of 
inches and a period of P
Find a function 
that models the displacement of the weight.
A. s(t) = -4 cos (2?(0.4)t)
B. s(t) = -2 cos (2?(2.5)t)
C. s(t) = -4 cos (2?(2.5)t)
D. s(t) = -2 cos (2?(0.4)t)
Answer: D
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Use identities to fill in the blank with the appropriate trigonometric function name.tan 
= 
A. csc B. cos C. tan D. cot
Name the property illustrated by the statement.1 + 0 = 1
A. identity element for addition B. commutative property for addition C. associative property for addition D. distributive property
Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. infinitely many solutions; dependent equations B. {(-5, 4, -4)} C. {(-5, -4, 4)} D. no solution or ?
Provide an appropriate response.Tell whether you would use the addition or multiplication property of equality to solve the equation: 
.
A. Addition property B. Multiplication property