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| GRAPHS
AND THE VERTICAL LINE TEST |
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Let’s look at the graph
of a parabola of the form x = ay2 + by + c.
Now, let’s
use the vertical line test.
Conclusion: A parabola of the form x = ay2 + by + c is not a function.
Recall that a
parabola of the form y = ax2 + bx + c is a function. |
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