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.
$f ( x ) = 2 ^ { - \frac { x } { 4 } } \cos x$
A) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0.
B) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0.
C) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0.
D) The function f(x) is unbounded as x $\rightarrow$ $\infty$.
E) The function f(x) is unbounded as x $\rightarrow$ $\infty$.

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. 
 $f ( x ) = 2 ^ { - \frac { x } { 4 } } \cos x$
A) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0. 
B) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0. 
C) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0. 
D) The function f(x) is unbounded as x $\rightarrow$ $\infty$. 
E) The function f(x) is unbounded as x $\rightarrow$ $\infty$.

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. 
 $f ( x ) = 2 ^ { - \frac { x } { 4 } } \cos x$
A) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0. 
B) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0. 
C) As x $\rightarrow$ $\infty$, f(x) $\rightarrow$ 0. 
D) The function f(x) is unbounded as x $\rightarrow$ $\infty$. 
E) The function f(x) is unbounded as x $\rightarrow$ $\infty$.

Use a Graphing Utility to Select the Graph the Damping f(x)=2−x4cos⁡xf ( x ) = 2 ^ { - \frac { x } { 4 } } \cos xf(x)=2−4x​cosx

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