# How do you find limits on a graphing calculator?

##### 1 Answer

See the explanation.

#### Explanation:

We will consider the following example:

We will create an EXCEL table of values for

For

We can easily observe the the limit is approaching

Next we will find out how to use a calculator to find the limit.

The calculator I am going to use is a Texas Instruments Graphical Display Calculator (Model TI-84 Plus Silver Edition):

Press

Hit the **Graph Key** to draw the graph of our rational expression.

The image of the graph is below:

Press **calc** key and choose **Option.1** for **Value** to get the screen below:

Enter the first value of **Enter** to get:

Enter the next value of **Enter** to get:

Continue to enter the rest of the values for

Enter the calculator results in the Excel table to compare results:

We observe that the **estimate** for our limit problem.