The equation for the line containing the vertical right edge of the arch is x = 60.
How can we find the equation of the line representing the right edge?
The line representing the right edge is the line passing through the parabola on the right side at y = 20.
We can find the equation of the line as follows:
It is given that the left edge of the arch is the y-axis.
The parabola and the vertical base are symmetrical.
We can see that the left edge begins (0, 20). This means that the right edge would also have y = 20.
Observe the given graph. We can see that the parabola passes y = 20 again at the point (60, 20).
This means that the equation of the line representing the right edge is x = 60.
Therefore, we have found the equation for the line containing the vertical right edge of the arch to be x = 60.
Learn more about parabolas here: https://brainly.com/question/4148030
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