Use a graphing utility to select the graph the damping factor and the function below in the same viewing window.Describe the behavior of the function as x increases without bound. $$f ( x ) = 2 ^ { - x / 4 } \cos x$$
A) As x → ∞,f(x)→ ∞.
B) As x → ∞,f(x)→ ∞.
C) As x → ∞,f(x)→ 0.
D) As x → ∞,f(x)→ 0.
E) As x → ∞,f(x)→ ∞.

Question

Use a graphing utility to select the graph the damping factor and the function below in the same viewing window.Describe the behavior of the function as x increases without bound.​ $$f ( x ) = 2 ^ { - x / 4 } \cos x$$ ​ ​
A)​ As x → ∞,f(x)→ ∞. 
B)​ As x → ∞,f(x)→ ∞. 
C)​ As x → ∞,f(x)→ 0. 
D) As x → ∞,f(x)→ 0. 
E)​ As x → ∞,f(x)→ ∞.

Quizplus · Accepted Answer

The Answer of Use a graphing utility to select the graph the damping factor and the function below in the same viewing window.Describe the behavior of the function as x increases without bound.​ $$f ( x ) = 2 ^ { - x / 4 } \cos x$$ ​ ​
A)​ As x → ∞,f(x)→ ∞. 
B)​ As x → ∞,f(x)→ ∞. 
C)​ As x → ∞,f(x)→ 0. 
D) As x → ∞,f(x)→ 0. 
E)​ As x → ∞,f(x)→ ∞.

Use a Graphing Utility to Select the Graph the Damping f(x)=2−x/4cos⁡xf ( x ) = 2 ^ { - x / 4 } \cos xf(x)=2−x/4cosx

Use a Graphing Utility to Select the Graph the Damping $f ( x ) = 2 ^ { - x / 4 } \cos x$