What is the range of the functions
(I)root x-1
(II) |x-1|-3
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Hii
(I) f(x)=√x-1
As per the definition of the square root function, we must have f(x)≥0. This will happen when x=1, because f(1)=0. There is no upper limit. The function is forever increasing. (The rate of increase keep decreasing, though.) Hence, the range is [0,∞).
Hope it will help u
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