Let's take a look at one more example to ensure that we've got all the ideas about limits down that we've looked at in the last couple of sections.

Example: Given the below graph,

calculate each of the following.

(a)    f (-4)

(b)   

(c)

Solution

(a)  f (-4) doesn't exist. There is not any closed dot for this value of x and therefore the function doesn't exist at this.

(b)  The function is approaching value of 2 as x moves towards -4 from the left

(c)  The function is approaching value of 2 as x moves towards -4 from the right.

Posted Date: 4/11/2013 5:07:28 AM | Location : United States

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