SOLUTION: Find the domain of the function K defined by {{{ K(t) = sqrt(4-1) + Ln(t+7) - 6/(t^2) }}} Write answer in interval form Thanks!

Algebra ->  Functions -> SOLUTION: Find the domain of the function K defined by {{{ K(t) = sqrt(4-1) + Ln(t+7) - 6/(t^2) }}} Write answer in interval form Thanks!      Log On


   

Question 933402: Find the domain of the function K defined by +K%28t%29+=+sqrt%284-1%29+%2B+Ln%28t%2B7%29+-+6%2F%28t%5E2%29+
Write answer in interval form
Thanks!
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Some help is that t+7 MUST be non-negative, and t%3C%3E0.


t%2B7%3E=0
t%3E=-7.


The domain is then the set of -7%3C=t%3C0 AND t%3E0.