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Find the range of each of the following ...

Find the range of each of the following functions.
(i) `f(x)=2-3x, x in R, x gt 0`
(ii) `f(x)=x^(2)+2x,` x is a real number.
(iii) f(x) = x, x is a real number

Text Solution

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The correct Answer is:
(i) Range `=(-oo,2)` (ii) Range `=[2,oo)` (iii) Range =R
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