I don't think its possible to do this... you have to have 2 equations
Shown below
<h2>Explanation:</h2>
The stairway to a cellar has a slope of -4/3, that is:

On the other hand, the cellar is 2m below the ground. In other words:

So this can be modeled by the equation of the line:

The line has a y-intercept at point (0, -2) and as x increases 3 units y decreases 4 units. So:

Finally, let's draw a line that passes through:

By using graphing tool, we get the line shown below.
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Answer:
25GB was used that month
Step-by-step explanation:
Here, we want to calculate the GB used for the month.
Since we have $59.99 for 20GB, then the extra that brought the bill to $75.99 must have been from the beyond charges.
The extra charges is thus $75.99 - $59.99 = $20
Now, since $4 is charged as extra and we have a total of $20, the number of extra GB is thus 20/4 = 5
So the total GB for that month is 20 + 5 = 25GB
Answer:
X/5 = - 1
Step-by-step explanation:
F(x) = (x+3)^2-6 is the correct answer