7 For each of the following functions, determine if the graph shows damped oscillation. If so, state the damping factor.
(a) $ f(x)=x+\sin x $
(b) $ f(x)=3^{-x} \cos 4 x $
(c) $ f(x)=-4 x \cos 2 x $
(d) $ f(x)=2 \sin 3 x $
(e) $ F(x)=0.35 e^{-0.07 x} \cos 2 x $ ch04_p29_35 3/15/10 11:51 AM Page 33
FORM A
4 Chapter Test (continued) NAME

Question

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The Answer of 7 For each of the following functions, determine if the graph shows damped oscillation. If so, state the damping factor.
(a) $ f(x)=x+\sin x $
(b) $ f(x)=3^{-x} \cos 4 x $
(c) $ f(x)=-4 x \cos 2 x $
(d) $ f(x)=2 \sin 3 x $
(e) $ F(x)=0.35 e^{-0.07 x} \cos 2 x $ ch04_p29_35 3/15/10 11:51 AM Page 33
FORM A
4 Chapter Test (continued) NAME

7 for Each of the Following Functions, Determine If the Graph