find the domain and range of the following real functions f(x)=-|x|
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domain is the complete set of real numbers and range is all negative real numbers from -infinity to 0 ......
hope it helps... nhi kre help to koi baat ni comment kro lol
Anonymous:
how domain is complete set of real no.
x can be any real number here not provided anything in question
ok
so how range can be neg inf to 0
modulus function converts no to positive ryt??
negative sign is retained outside modulus look closely
oh so if the neg sign is inside then the range will be positive
ryt??
yes
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