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Lil Kush
 Post subject: Relations & Functions
PostPosted: Thu, 17 May 2012 21:04:56 UTC 
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If h(x) = x^3 - 2, find h(2).

How do I solve problems like this.

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mathematic
 Post subject: Re: Relations & Functions
PostPosted: Thu, 17 May 2012 22:19:00 UTC 
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Lil Kush wrote:
If h(x) = x^3 - 2, find h(2).

How do I solve problems like this.

Substitute 2 for x in the expression and evaluate.
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Shadow
 Post subject: Re: Relations & Functions
PostPosted: Thu, 17 May 2012 22:51:42 UTC 
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Lil Kush wrote:
If h(x) = x^3 - 2, find h(2).

How do I solve problems like this.


Since h(x)=x^3-2 we see that h(2)=2^3-2=8-2=6.

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Lil Kush
 Post subject: Re: Relations & Functions
PostPosted: Mon, 21 May 2012 15:32:02 UTC 
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I thought that was how you did it but i wasn't sure. Thanks for the help. :D

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