Re: Hybrid functions on the ti-85.
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Shawn D'Alimonte wrote:
>
> Matthew Bolduc (matt@netapproach.com) wrote:
> : Hell0,
>
> : how do you graph a hybrid function on the ti-85?
> : f(x)= (3/2)x^2 + 2x + 2 Domain: -2 < x <= 8
> : how would i type it in?
>
> y1=((3/2)x^2 + 2x +2)(x>-2)(x<=0)
> or
> y1=((3/2)x^2 + 2x +2)(x > -2 and x<0)
>
> should do it. You can also join functions toghether by adding them, > each
term having its limits.
Yes, that'll do it. But.. if you divide ((3/2)x^2 +2x +2) by
(x>-2)(x<=0), then your graph will not appear outside the domain.. If
you were to multiply by the test functions, however, you get the line
y=0 when x is outside the domain given by the test functions. :)
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--
Greg Hill
http://braves.bhs.davis.k12.ut.us/
ghill@lab.tech.bhs.davis.k12.ut.us
greg_hill@email.state.ut.us
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