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OpenStudy (anonymous):
PLEASE HELP ME
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OpenStudy (anonymous):
OpenStudy (anonymous):
OpenStudy (jdoe0001):
same as before, run the vertical line test
Directrix (directrix):
One the first problem, use the vertical line test. If you can draw any vertical line through any given graph so that the line picks up two points of the graph, the graph is NOT the graph of a function.
Directrix (directrix):
Example: Is this the graph of a function? |dw:1422482533771:dw|
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OpenStudy (anonymous):
C
Directrix (directrix):
No, a vertical line picks up two points of the function. Those two points have the same x-value. |dw:1422482580185:dw|
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