I haven't checked, but try grouping the plots together,

(plot(1/t,.1,8)+plot(1/t,1/2,1,fill=true)).show()

Rob

On Feb 8, 5:47 am, Dana Ernst <dcer...@plymouth.edu> wrote:
> Forgive my ignorance and for asking such a silly question...
>
> Today in Calc II, I'm introducing the natural log as an integral.  I'd like 
> to show the graph of y=1/t from say 0 to 8 and have the area under the graph 
> shaded from say 1/2 to 1.  Doing the following seemed natural to me:
>
> plot(1/t,.1,8)+plot(1/t,1/2,1,fill=true).show()
>
> However, this doesn't work.  (Of course, I declared t as a variable earlier.) 
>  I'm sure I could figure this out, but I teach in an hour and I'm sure 
> someone here could quickly tell me:)
>
> Also, if someone wouldn't mind telling when to use ".show" that would be 
> great.
>
> Dana Ernst, Ph.D.
> Assistant Professor
> Department of Mathematics
> Plymouth State University
> MSC 29, 17 High Street
> Plymouth, NH 03264-1595
>
> Email: dcer...@plymouth.edu
> Web Page:http://oz.plymouth.edu/~dcernst
> Office: Hyde 312

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