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Q33 of 215 Page 3

What is the range of the function


=±1


Range of f={-1,1}


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31

Write whether f : R → R given by is one-one, many-one, onto or into.

32

If f(x) = x + 7 and g(x) = x – 7, x ϵ R, write fog(7).

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If f : R → R be defined by f(x) = (3 – x3)1/3, then find fof(x).

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If f : R → R is defined by f(x) = 3x + 2, find f(f (x)).

Questions · 215
2. Functions
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