Question 447728
<font face="Times New Roman" size="+2">


If *[tex \Large y] varies inversely as *[tex \Large x], then


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ y\ =\ \frac{k}{x}]


Then if *[tex \Large y\ =\ -8] when *[tex \Large x\ =\ -9], then


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ -8\ =\ \frac{k}{-9}]


From which we derive:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ k\ =\ 72]


Hence:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ y\ =\ \frac{72}{x}]


So if *[tex \Large x\ =\ 4], substitute 4 for *[tex \Large x] and do the arithmetic.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
<div style="text-align:center"><a href="http://outcampaign.org/" target="_blank"><img src="http://cdn.cloudfiles.mosso.com/c116811/scarlet_A.png" border="0" alt="The Out Campaign: Scarlet Letter of Atheism" width="143" height="122" /></a></div>
</font>