i need to find for what values X is defined in the given function
i found for the sin part and for the the square root but i dont know how to combine them
into a final answer:
http://img168.imageshack.us/img168/1434/39293849jq8.gif
i need to find for what values X is defined in the given function
i found for the sin part and for the the square root but i dont know how to combine them
into a final answer:
http://img168.imageshack.us/img168/1434/39293849jq8.gif
let us do it using composition of functions..
let
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now, recall what the domain of composition of function is..
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thus,
and
or
or
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note that the last inequality is possible since the square root (and square) function(s) is an(are) increasing function(s)..