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Mathematics 17 Online
OpenStudy (anonymous):

f(x)= sqrt x-1 find domain and range

OpenStudy (anonymous):

What is domain of sqrt?

OpenStudy (anonymous):

my book says non negative real numbers?

OpenStudy (anonymous):

helppp

OpenStudy (anonymous):

no ones helping ere :/

OpenStudy (anonymous):

So x belongs to [ 0, + inf ) understand?

OpenStudy (anonymous):

yes, so what would the range be? (inf. +1) ?

OpenStudy (anonymous):

i meant 0

OpenStudy (anonymous):

=> Range is [ -1, + inf)

OpenStudy (anonymous):

why is the range -?

OpenStudy (anonymous):

0 -1 = ...?

OpenStudy (anonymous):

ok thanks

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