Question: How to get the range of a function given it's domain

Hi there,

I was woundering if there is a function implemented in Maple11, where I can enter a function and it's domain, and the output is the range. For example:

Entering f(x)=x^2, and the Domain x in (-1,2), I would want Maple to tell me that f(x) is in [0,4).

Is there such a function implemented? I need this quite often, most times on functions from R->R, but also more general for functions from R^n -> R^m. I know that in some cases you could quickly check that graphically. But only for a first approximation, I could for example never read out, if the range is [0,4), or (0,4).

Thx for help :)

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