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2x+4y=8
-2x -2x
4y=-2x+8
/4 /4 /4
y=-1/2x+2
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Explanation:</h2><h2>
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Here we have the following rational function:

So the graph of this function is shown in the First Figure below. Let's define another function which is a parent function:

Whose graph is shown in the second figure below. So we can get the graph of f from the graph of g this way:
Step 1. Shift the graph 3 units to the left:

Step 2. Shift the graph 2 units down:

Finally, the features of the graph of f are:
The graph of this function comes from the parent function g and the transformations are:
- A shifting 3 units to the left
There is not enough information to answer the question. To answer it, you need to know how much gas is in her gas tank and how far she needs to travel.