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Let f(x)=cos(x)/(1+x) . Use a graphing device to graph f in an appropriate viewing rectangle.

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Final answer:

To graph the function f(x) = cos(x)/(1+x), input the function into a graphing device or software with an appropriate viewing rectangle. The graph will be a declining curve with values approaching 0 as x approaches infinity.

Step-by-step explanation:

To graph the function f(x) = cos(x)/(1+x), you can use a graphing device or software that allows you to plot functions. The viewing rectangle should be appropriate for the range of x values you want to consider, in this case, 0 to 20. By inputting the function into the graphing device, you will be able to see the graph of f(x), which will be a curve.

On the graph, you can label the axes as f(x) and x. Scale the x-axis from 0 to 20 and the y-axis according to the maximum and minimum values of f(x) within that range. In this case, f(x) ranges from approximately -0.942 to 1.

The graph of f(x) = cos(x)/(1+x) will have a declining curve shape, with values approaching 0 as x approaches infinity. The maximum value on the y-axis will be approximately 1.

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