tarapattilachan tarapattilachan

17-08-2016
Mathematics

contestada

NO CALCULATOR ALLOWED: Which of the following numbers are in the range of f if f(x) = 2x-1 / x+1.
[part of question] : I. -1
II. 1
III. 2

I kind of understand it... but it's tough without a calculator (for me at least). How would you solve these without a calculator?

Respuesta :

bellabuddy bellabuddy

17-08-2016

I kind of do understand it also but I pretty sure u have to multiply or divid im not sure

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