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OpenStudy (anonymous):
Find the domain and range of 3y^2-12y+x-7=0
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OpenStudy (cwrw238):
rearranging we get y = (1/3)[6 - sqrt3*sqrt(19-x)) sqrt(19-x) must be <= 0 so x < = 19 domain is x <=19 or in interval form (-infinity, 19]
OpenStudy (anonymous):
oh thanks
OpenStudy (cwrw238):
yw range is all real numbers
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