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March 05, 2026, 05:05:47 pm
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Author Topic: help~!  (Read 932 times)  Share 

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Rockim

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help~!
« on: March 19, 2010, 10:36:40 pm »
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Given that y=kx^n, find the results of doubling x if n is equal to -2.

Page 482 in the Cambridge Essential Text/TI-inspire and casio classpad version

thanks
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m@tty

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Re: help~!
« Reply #1 on: March 19, 2010, 10:41:29 pm »
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sub





But

So

Hence doubling x will reduce y by a factor of 4.
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Rockim

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Re: help~!
« Reply #2 on: March 19, 2010, 11:24:50 pm »
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thanks bro ur awesome :D
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