SOLUTION: solve and graph 4x-9 less than equal to -8 or x-8 greater than equal to 1

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Let's solve the first inequality :


Start with the first inequality.


Add to both sides.


Combine like terms on the right side.


Divide both sides by to isolate .


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Now let's solve the second inequality :


Start with the second inequality.


Add to both sides.


Combine like terms on the right side.


So our answer is or



So the solution in interval notation is: (] [)


Also, the solution in set notation is:




Here's the graph of the solution set




Note:
There is a closed circle at which means that we're including that value from the solution set.


Also, there is a closed circle at which means that we're including that value from the solution set.