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OpenStudy (anonymous):
The domain of the vector valued function r(t)=sqrt(12-t)i+ ln(t-4)j+ cos(t-3)k is an interval with endpoints a and b ,a
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OpenStudy (amistre64):
well, cos() has no restrictions ln does tho; anything greater then 4 sqrt can be 12 or less
OpenStudy (amistre64):
so id say the available inputs are: (4,12]
OpenStudy (anonymous):
thank you
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