The distance, d , in inches of a weight attached to a spring from its equilibrium as a function of time, t , in seconds can be modeled by the given graph. Which equation is represented in the given graph?
Answer
A
d is equal to negative 5 cosine pi t
B
d is equal to negative 5 cosine open paren pi over 2 t close paren
C
d is equal to negative 10 cosine pi t
D
d is equal to negative 10 cosine open paren pi over 2 t close paren