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Inverse functions?
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<blockquote data-quote="JimJ" data-source="post: 2815782" data-attributes="member: 555251"><p>IIRC, that question is asking you to do the "vertical line test" to determine whether something's a function or not. The idea being, for each unique value of X you put in, you get one value of Y back. If you have something that a vertical line will pass through twice, you have two values of Y for a given X.</p><p></p><p>So the answer to one would be yes, the answer to the second would be no.</p><p></p><p>Not sure if that's what they want...</p></blockquote><p></p>
[QUOTE="JimJ, post: 2815782, member: 555251"] IIRC, that question is asking you to do the "vertical line test" to determine whether something's a function or not. The idea being, for each unique value of X you put in, you get one value of Y back. If you have something that a vertical line will pass through twice, you have two values of Y for a given X. So the answer to one would be yes, the answer to the second would be no. Not sure if that's what they want... [/QUOTE]
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